Question

5/8 + 3/4 + ?/ ? = 9/4​

Answer 1

5/8+3/4+X = 9/4; 5/8+3/4= 11/8;. 11/8 - 9/4 = 7/8

Answer 2

5/8 + 3/4 + 7/8 = 9/4

Verificación:

3/4 + (5+7/8) = 9/4

3/4 + 12/4 = 9/4

3/4 + 6/4 = 9/4

(3+6/4) = 9/4

9/4 = 9/4