Question

1- Calcule as somas e subtrações das frações abaixo

A) 1/3 + 2/3?

B) 1/4 + 7/2 + 1/8?

C) 7/5 + 3/4?

D) 1/5 + 2/3?

E) 3/7 + 1/3?

F) 3/8 + 2/4?

G) 3/2 + 4/3 + 5/12?

H) 3 + 1/4?

I) 5 + 1/2 + 3/5?

J) 1 - 1/5?

K) 7 - 5/2?

L) 3/8 - 1/4?

M) 3/9 - 1/8?

N) 4 - 3/7?

O) 7/4 + 3/2 - 1/5?

2) Calcule as divisões das frações abaixo:

A) 7/5 : 2/3?

B) 1/4 : 9/10?

C) 7/8 : 1/9?

D) 1/10 : 3/2?

E) 3/9 : 2?

F) 1/4 : 9/10?

Preciso disso pra amanhã, podem me ajudar nessa?

Answer 1

a)1
b)31/8
c) 43/20
d) 13/15
e) 16/21
f)7/8
g)13/4
h)13/4
i)61/10
j)4/5
k)9/2
l)1/8
m)5/24
n)25/7
o)61/20


(2) a) 21/10
b) 5/18
c)63/8
d)1/15
e) 1/6
f)5/18