Question

EXPLAIN how you can find the missing number in 3 4/5 divided by BLANK = 2 5/7. Then find the missing number.

Answer 1

let the missing number be A,

then

19/5 ÷ A = 19/7,

19/5 × 1/A = 19/7,


then


1/A = 19/7 × 5/19,


1/A = 5/7,


then


A = 7/5