Question

Calcule (7/4)+(7/5)+(8/5)

Answer 1

(7/4)+(7/5)+(8/5)

m m c

5,5,4 | 2

5,5,2 | 2

5,5,1  | 5

5 . 2 . 2 = 20

$\frac{7}{4} +\frac{7}{5} +\frac{8}{5} = \frac{35+28+32}{20}$

Cancela o 20 e somas os numeradores

35 + 28 + 32 = 95