Question

Desenvolva a operação 1/2+3/4+2/5=

Answer 1

1/2   +  3/4  + 2/5   = mmc entre 2-4-5 = 20

10/20 + 15/20 + 8/20 = 33/20

Answer 2

$\frac{1}{2}$ +$\frac{3}{4}$ + $\frac{2}{5}$ =$\frac{6+4}{8} = \frac{10}{8} + \frac{2}{5} = \frac{16+50}{45} = \frac{64}{45}$