Question

Calcule e simplifique o resultado,
quando for possível:

a) 4/5+1/2-5/8=

b)7/15+3/15-1/10=

por favor me ajudem ​

Answer 1

Resposta:

a)

$\frac{4}{5} + \frac{1}{2} - \frac{5}{8}\\\\= \frac{13}{10} - \frac{5}{8}\\\\= \frac{27}{40}$

b)

$\frac{7}{15} + \frac{3}{15} - \frac{1}{10}\\\\= \frac{10}{15} - \frac{1}{10}\\\\= \frac{17}{30}$