Question

6 pe 35 plus 9 pe 28 egal

Answer 1

$\frac{6}{35} + \frac{9}{28} = \frac{6 \times 4}{35 \times 4} + \frac{9 \times 5}{28 \times 5} = \frac{24}{140} + \frac{45}{140} = \frac{24 + 45}{140} = \frac{69}{140}$