Question

Me ajudem é pra amanhã

Answer 1

Explicação passo a passo:

1.

a) 1/2

b) 2/3

c) 5/6

d) 7/12

e) 8/9

f) 28/35

g) 3/1

h) 12/7

i) 12/13

j) 23/33

2.

a) 1/8 + 1/4

1/8 + 2/8

3/8

b) 3/8 + 9/16

6/16 + 9/16

15/16

c) 11/32 + 5/8

11/32 + 20/32

31/32

d) 1/1 + 3/4

4/4 + 3/4

7/4

e) 7/16 - 5/16

2/16 = 1/8

f) 1/2 - 3/8

4/8 - 3/8

1/8

g) 17/32 - 15/32

2/32 = 1/16

h) 3/4 + 1/2 - 3/8

6/8 + 4/8 - 3/8

6/8 + 1/8

7/8

3.

a) $\frac{3}{2} * \frac{1}{5}$

3/10

b) $\frac{7*4*8}{3*5*3}$

$\frac{28 * 8}{15 * 3}$

224/45

c) $\frac{1*4}{2*1}$

4/2 = 2/1

d) $\frac{3*5*4}{2*3*3}$

60/18 = 30/9 = 10/3

4.

a) $\frac{1*4}{8*3}$

4/24 = 1/6

b) $\frac{9*2}{1*16}$

18/16 = 9/8

c) $\frac{7*5}{9*4}$

35/36

d) $\frac{11*35}{20*30}$

385/600 = 77/120