Question

me ajude por favor!!​

Answer 1

Resposta:

Explicação passo a passo:

a.

2/4+1/4=

3/4

b.

9/13+1/13=

10/13

c.

7/4+3/4=

10/4

d.

3/4+5/4=

8/4=

2

e.

1/4+2/6=

3/12+4/12=

7/12

f.

3/12+1/4=

3/12+3/12=

6/12

g.

5/13-1/13=

4/13

h.

7/4-3/4+9/4=

4/4+9/4=

13/4

i.

1/2-3/7=

7/14-6/14=

1/14

j.

3/12+1/4-1/8=

6/24+6/24-3/24=

12/24-3/24=

9/24