Question

Cuánto le falta a 2/3 para ser igual a 8/5

Answer 1

x= - 2/3 + 8/5
x= - 2/3 * 5/5 + 8/5
x= - 2/3 * 5/5 + 8/5 * 3/3
x= (-2*5/15) + (8*3/15)
x= [ -(2*5)+8*3/15]
x= 14/15