Question

1 intreg si 1 pe 4 minus 1 intreg si 2 pe 7 plus 1 pe 2​

Answer 1

$1 \frac{1}{4} - 1 \frac{2}{7} + \frac{1}{2}$

$\frac{5}{4} - \frac{9}{7} + \frac{1}{2} =$

$\frac{5 \times 7}{28} - \frac{9 \times 4}{28} + \frac{14}{28 } =$

$\frac{35 - 36 + 14}{28} =$

$\frac{ 13}{28}$