Question

8/4+2/3=
5/2+4/5=
8/3-5/4=
4/5-2/4=
É pra hje me ajudem pfv

Answer 1

Oi...

a)

8/4 + 2/3

2 + 2/3 ⇒mmc = 3

6 + 2/3

8/3

 

b)

5/2 + 4/5 ⇒ mmc = 10

25 + 8/10

33/10

c)

8/3 - 5/4⇒mmc = 12

32 - 15/12

17/12

d)

4/5 - 2/4

4/5 - 1/2⇒mmc = 10

8 - 5/10

3/10

Bons estudos.