Question

Efetue os cálculos a seguir.

A)3/10+1/6=

B)3/10-1/6=

C)1/6-3/10

Answer 1

$a)\frac{3}{10} + \frac{1}{6} = \frac{9 + 5}{30} = \boxed{ \frac{14}{30} = \frac{7}{15} } \\ \\ b) \frac{3}{10} - \frac{1}{6} = \frac{9 - 5}{30} = \boxed{\frac{4}{30} = \frac{2}{15} } \\ \\ c) \frac{1}{6} - \frac{3}{10} = \frac{5-9}{30} = \boxed{\frac{-4}{30} = \frac{-2}{15} }$