Respuesta :

we have

8/9 and 7/8

9=3*3

8=2*2*2

LCM=9*8=72

therefore

8/9 multiply by 8/8-----> (8/9)*(8/8)=64/72

7/8 multiply by 9/9 ----> (7/8)*(9/9)=63/72

8/9 and 64/72 are equivalent fractions

7/8 and 63/72 are equivalent fractions