Mental Arithmetic: Being an Introduction to His New System of Arithmetic on an Improved PlanJ.P. Jewett and Company, 1859 |
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Page 87
... common measure of two or more numbers is a number which will divide those numbers without a re- mainder . 4. A ... denominator . 7. The common denominator of two or more fractions expresses the denomination to which each of the ...
... common measure of two or more numbers is a number which will divide those numbers without a re- mainder . 4. A ... denominator . 7. The common denominator of two or more fractions expresses the denomination to which each of the ...
Page 88
... of 2 and 4 , we may reduce them both to eighths . But it is obvious to the eye , that 4 is also a mul- tiple of 2 and 4 , and that it is the least common multiple . If we consider 8 as the common denominator , we 88 MENTAL ARITHMETIC .
... of 2 and 4 , we may reduce them both to eighths . But it is obvious to the eye , that 4 is also a mul- tiple of 2 and 4 , and that it is the least common multiple . If we consider 8 as the common denominator , we 88 MENTAL ARITHMETIC .
Page 89
... common denominator , we must reduce both the fractions to eighths ; if 4 , then we have simply to reduce the to fourths . To reduce a fraction of a higher denomination to a fraction of a lower , we first find a common denominator ; then ...
... common denominator , we must reduce both the fractions to eighths ; if 4 , then we have simply to reduce the to fourths . To reduce a fraction of a higher denomination to a fraction of a lower , we first find a common denominator ; then ...
Page 90
... common denominator , as in addition , then subtract the less numerator from the greater . 16. A man sold ton to neighbor B .; Give the process . of a ton of hay to neighbor A. , } of a what part of a ton had he left ? 17. A man sold of ...
... common denominator , as in addition , then subtract the less numerator from the greater . 16. A man sold ton to neighbor B .; Give the process . of a ton of hay to neighbor A. , } of a what part of a ton had he left ? 17. A man sold of ...
Page 108
... common denominator ? 44. When no denominator is a multiple of each of the others , how may a common denominator be found ? 45. In addition and subtraction of fractions , why is it ne- cessary to find a common denominator ? 46. How are a ...
... common denominator ? 44. When no denominator is a multiple of each of the others , how may a common denominator be found ? 45. In addition and subtraction of fractions , why is it ne- cessary to find a common denominator ? 46. How are a ...
Other editions - View all
Mental Arithmetic: Being an Introduction to His New System of Arithmetic on ... Charles Guilford Burnham No preview available - 2018 |
Mental Arithmetic: Being an Introduction to His New System of Arithmetic on ... Charles Guilford Burnham No preview available - 2013 |
Common terms and phrases
12 leaves 13 leaves 9 leaves apples cost Arithmetic barrels of flour bought common denominator dividend divisor dollar a bushel dollars a yard DRY MEASURE eight cents Eight is contained eighteen leaves farthings fifteen leaves Fifty-five less Five is contained forty-eight Forty-five four dollars Four is contained fourteen leaves fraction gave Give the process half halves improper fraction least common multiple leaves 12 leaves 9 less fifteen LESSON ELEVENTH LESSON FIFTH LESSON SIXTEENTH LESSON TENTH miles minus multiply nine cents ninths pence pennyweights pints pounds of sugar prime factors purchased quarts QUEST questions reduced remain REPEAT DIVISION Repeat the Table rods Scholar Seven is contained sevenths shillings six cents Six is contained six thirds sixteen sixths Subtraction teacher thirteen leaves three cents Three is contained three times four TROY WEIGHT Twelve is contained twelve leaves twenty leaves twice three whole number yards of cloth
Popular passages
Page 87 - M. 60 minutes, 1 hour, h. 24 hours, 1 day, d. 7 days, . 1 week, w. 4 weeks, 1 month, mo. 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April, June and November ; February twenty-eight alone, all the rest have thirtyone.
Page 101 - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Page 103 - I have not a hundred; but if I had half as many more as I now have, and two geese and a half, I should have a hundred ; how many had he 1 176.
Page 89 - Mnltiple of two or more numbers is the least number that can be divided by each of them without a remainder ; thus 30 is the least common multiple of 10 and 15.
Page 86 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 99 - To reduce a fraction to its lowest terms. A fraction is in its lowest terms, when the numerator and denominator are prime to each other.
Page 89 - The Least Common Multiple of two or more numbers is the least number which is a multiple of each of them; thus, 12 is the least common multiple of 2, 3, and 4.
Page 69 - If the numerator is less than the denominator, the fraction is called a proper fraction; if it is equal to or greater than the denominator, the -fraction is called an improper fraction.
Page 56 - ... times 3 in 12 4 times 4 in 16 4 times 2 in 10 5 times 3 in 15 5 times 4 In 20 5 times 2 in 12 6 times 3 in 18 6 times 4 in 24 6 times 2 in 14 7 times 3 in 21 7 times 4 In 28 7 times 2 in 16 8 times 3 in 24 8 times 4 In 32 8 times 2 in 18 9 times 3 in 27 9 times 4 in 36 9 times...
Page 101 - It will be seen that we multiply the denominator of the dividend by the numerator of the divisor for...