Question

what should be add in 2whole 3/9 to get 1whole 1/7​

Answer 1

Step-by-step explanation:

Let the number be x

2 3/9+x=1 1/7

21/9+x=8/7

x=8/7-21/9

x=8*9/7*9-21*7/9*7

x=72/63-161/63

x=-89/63 is the right answer

Hope it helps