Question

calcule
A) (-4/5) + (+1/2)

B) (+5/6) + (-3/4)​

Answer 1

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

(-8/10) + (+5/10)= -3/10

b) (+5/6) + (-3/4)​=

(+10/12) + (-9/12)= +1/12

MMC (6, 4)= 12

6 - 4 | 2

3 - 2 | 2

3 - 1  | 3

1  - 1

Answer 2

Resposta:

$a) \frac{ - 8 + 5}{10} = \frac{ - 3}{10}$

$b) \frac{10 - 9}{12} = \frac{1}{12}$