Question

calcule A Fração:
a)1/2 + 4/5=
b)2/3 + 7/3=
c)5/6 + 1/2=
D)9/5 + 3/4=
e)3/5 + 8/5 =
f)1/3 + 3/2=
g)23/9 + 30/3=
h)2/3 + 3/5 + 5/7=
i)12/5 + 3/7=
j)3/5 + 6/7 + 8/3=

por Favor Gnt Preciso Disso Pra Hoje
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Answer 1

Oi....

Resolução:

a)

1/2 + 4/5 ⇒mmc = 10

5 + 8/10

13/10

b)

2/3 + 7/3⇒mmc = 3

2 + 7/3

9/3

3

c)

5/6 + 1/2⇒mmc= 6

5 + 3/6

8/6 ÷ 2

4/3

d)

9/5 + 3/4 ⇒mmc = 20

36 + 15/20

51/20

e)

3/5 + 8/5⇒mmc=5

3 + 8/5

11/5

f)

1/3 + 3/2⇒mmc=6

2 + 9/6

11/6

g)

23/9 + 30/3

23/9 + 10⇒mmc = 9

23 + 90/9

113/9

h)

2/3 + 3/5 + 5/7⇒mmc = 105

70 + 63 + 75/105

208/105

i)

12/5 + 3/7⇒mmc = 35

84 + 15/35

99/35

j)

3/5 + 6/7 + 8/3⇒mmc = 105

63 + 90 + 280/105

433/105

Bons estudos.