Question

efetue as somas e subtrações a seguir

a) 7/12+6/8;

b) 5/15-3/9;

c) 12/10+3/8-5/4

Answer 1

Resposta:

$a) \frac{7}{12} + \frac{6}{8} = \frac{4}{8}$

$b) \frac{5}{15} - \frac{3}{9} = 0$

$c) \frac{12}{10} + \frac{3}{8} - \frac{5}{4} = \frac{13}{40}$