Question

How do I simplify 72/63 to the lowest #?

Answer 1

Take the lcd which is 9 and divide both side<span />

Answer 2

9 x 7 = 63
9 x 8 = 72

so divide top and bottom by 9

72/63 = 8/7

if you want mixed number then, 1 1/7 ( 1 and 1/7)