Question

Que francción hay que restar a 4/3 para obtener 7/15

Answer 1

4/3 - X = 7/15

4/3 = 7/15 + X

4/3 - 7/15 = X

20/15 - 7/15 = X

(20 - 7)/15 = X

13/15 = X

Rta: 13/15