Question

el a y el b por favor

Answer 1

Fraccionarios
numeral b

$\frac{3}{14} + \frac{2}{10} + \frac{5}{6}$
$\frac{45}{210} + \frac{42}{210} + \frac{175}{210}$

$\frac{262}{210}$

simplificamos

$\frac{131}{105}$

numeral c

$\frac{3}{14} - \frac{2}{10} - \frac{5}{6}$
$\frac{45}{210} - \frac{42}{210} - \frac{175}{210}$
$\frac{-172}{210}$

simplificamos

$\frac{-86}{105}$

Espero te sirva