Question

RESPONDA AS QUESTÕES NO CADERNO
1)EFETUE AS ADIÇÕES E AS SUBTRAÇÕES.
A) – 3/5 +4,5
B)744 + 6/5
C) 42/11 - 5/3​

Answer 1

$a) - \frac{3}{5} + 4.5 = - \frac{3}{9} + \frac{9}{2} = \frac{39}{10}$

$b)744 + \frac{6}{5} = \frac{3720 + 6}{5} = \frac{3726}{5}$

$c) \frac{42}{11} - \frac{5}{3} = \frac{126 - 55}{33} = \frac{71}{33}$