Question

QUANDO E 3/5+ 3/4+ 3/10???

Answer 1

$\frac{3}{5} + \frac{3}{4} + \frac{3}{10} = \\ \\ \frac{3*4}{5*4} + \frac{3*5}{4*5} + \frac{3*2}{10*2} = \\ \\ \frac{12}{20} + \frac{15}{20} + \frac{6}{20} = \\ \\ \frac{12 + 15 + 6}{20} \\ \\ = \frac{33}{20} = 1,65$