Question

Em relação a adição de fração ,quanto é:
a-2/5+3/10
b-7/8+3/24
c-4/7+1/3
d-1/4+2/3

Answer 1

a) MMC=10 
4+3/10
7/10

b) MMC= 24
21+3/24
24/24
1

c)MMC= 21
12+7/21
19/21

d)MMC=12
3+8/12
11/12

Answer 2

a)

2/5 + 3/10

m.m.c(5,10)=10

4+3/10=7/10

b)

7/8 + 3/24

m.m.c(8,24)=24

21+3=/2424/24 = 1

c)

4/7 + 1/3

m.m.c(3,7)=21

12+7/21= 19/21

d)

1/4 + 2/3

m.m.c(3,4)=12

3+8/12=11/12

Bons Estudos :)