Question

Write -9/2 as a rational number with:

(i) numerator (-72) (b) denominator (-18)​

Answer 1

- 9/2

a) Multiplying both numerator and

denominator by 8

❥ - 72/16

b) Multiplying both numerator and

denominator by - 9

❥ 81/-18

Answer 2

1. Multiply by 8 = -72/16
2. Multiply by -9 = 81/-18