Question

Me ajudem por favor.

Simplifique as frações:
a) 84/72
b) 54/90
c) 98/28
d) 147/189
e) 63/105
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Coloque um dos sinais < , > ou = entre as frações

a) 1 2
- -
7 14

3 5
b) 2 - 2 -
6 8

c) 3 4
- -
2 3

d) 11/4 4/3

e) 2/5 3/7

f) 7/4 8/5

g) 10/4 15/6

h) 3 1/4 2 1/4

Answer 1

a) 84/72 (/ 2) = 42/36 (/ 2) = 21/18 (/ 3) = 7/6
b) 54/90 (/ 2) = 27/45 (/ 3) = 9/15 (/ 3) = 3/5
c) 98/28 (/ 2) = 49/14 (/ 7) = 7/2
d) 147/189 (/ 3) = 49/63 (/ 7) = 7/9
e) 63/105 (/ 3) = 21/35 (/ 7) = 3/5

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a)
1/7 = 0,14
2/14 = 0,14

1/7 = 2/14

b)
2 3/6 < 2 5/8

c) 
3/2 = 1,50
4/3 = 1,33

3/2 > 4/3

d)
11/4 = 2,75
4/3 = 1,33

11/4 > 4/3

e)
2/5 = 0,40
3/7 = 0,43

2/5 < 3/7

f)
7/4 = 1,75
8/5 = 1,60

7/4 > 8/5

g)
10/4 = 2,50
15/6 = 2,50

10/4 = 15/6

h)
3 1/4 > 2 1/4