Question

a)
$\frac{7}{12} - \frac{3}{20}$
b)
$\frac{21}{3} - \frac{7}{5}$
​

Answer 1

Respuesta:

$a) \frac{7}{12} - \frac{3}{20} = \frac{35}{60} - \frac{9}{60} = \frac{26}{60} = \frac{13}{30}$

$b) \frac{21}{3} - \frac{7}{5} = \frac{105}{15} - \frac{21}{15} = \frac{84}{15} = \frac{28}{5}$