Question

Efetue as subtrações. a) 4/3 – 1/6 =
b) 10/50 - 3/6 =
c) 17/3 - 2/3 =
d) 21/19 – 2/19 = e) 7/4 - 8/9 =

Answer 1

Resposta:

a) 7/6

b) -3/10

c) 5

d) 1

e) 31/36

Explicação passo-a-passo:

Answer 2

Resposta:

a) 4- 1

3 6

mmc (3,6)=6

3,6/3

1,2/2

1,1

8- 1 = 7

6 6 6

b)10- 3

50 6

mmc(50,6)=150

50,6/2

25,3/3

25,1/5

5,1/5

1,1

30- 130 = 100÷10 = 10

150 150 150÷10 15

c)21 - 2

19 19

21- 2 = 19=1

19 19 19

e)7- 4

4 9

mmc (4.9)=36

4,9/2

2,9/2

1,9/3

1,3/3

1.1

63- 16 = 47

36 36 36