Question

Compare the following pairs of rational number -7/24 and9/-20

Answer 1

Answer:

For comparision, either you can take LCM of the denominators and compare them, or use cross multiplication. but the best method is cross multiply it

-7/24 and 9/-20

-7/24. 9/-20

-20 x -7. 24 x 9

140. 216

Hence, 9/-20 is greater than 7/-20