Question

a)2/3 - 1/5 =
b)3/5 + 2/3 =
C) 12,6 + 25,87 =
d)3,15 – 2,7=​

Answer 1

Resposta:

a)

$\frac{2}{3} - \frac{1}{5} = \frac{7}{5} \\ \frac{3}{5} + \frac{2}{3} = \frac{19}{15} \\ 12.6 + 25.87 = 38.47 \\ 3.15 - 2.7 = 0.45$