...19. | off 22. | off 17. § of |. 20. | of f 23. | of f 18. | off. 21. | off 24. foff Observe that : The product of two or more fractions is a fraction whose numerator is the product of the numerators, and whose denominator is the product of the denominators of the fractions. Multiplication Shortened...

...parentheses, 27. (m + n -- ) — (m — ?H -- ¡ — )• \ m — nJ \ m + n/ 89. Multiplication of fractions. In algebra as in arithmetic the product of two or more fractions is the product of their numerators divided by the product of their denominators. Thus, |-Л = НSimilarly,...