Question

me ajudem
a)2/3 + 3/4
b)2/3-3/4
c)3/2 × 1/4
d)3/2÷1/5

Answer 1

Resposta:

A)

$\frac{2}{3} + \frac{3}{4} = \frac{8}{12} + \frac{9}{12} = \frac{17}{12}$

B)

$\frac{2}{3} - \frac{3}{4} = \frac{8}{12} - \frac{9}{12} = - \frac{1}{12}$

C)

$\frac{3}{2} \times \frac{1}{4} = \frac{3}{8}$

D)

$\frac{3}{2} \div \frac{1}{5} = \frac{3}{2} \times \frac{5}{1} = \frac{15}{2}$

Espero ter ajudado!!!

Answer 2

Resposta:

a) 2/3 +3/4=

8/12+9/12

17/12

b)2/3 -3/4=

8/12-9/12=

-1/12

c) 3/2× 1/4

3/8

d) 3/2 ÷ 1/5

3/2× 5/1

15/2