Question

2- Calcule a soma das frações:

Answer 1

Resposta:

Explicação passo a passo:

a.

2/3=10/15

2/3 + 3/15=

10/15+3/15=

13/15

b.

8/12=40/60

3/5=36/60

8/12+3/5=

40/60+36/60=

76/60

c.

3/4=9/12

1/3=4/12

3/4-1/3=

9/12-4/12=

5/12

d.

4/2=32/16

7/16+4/2=

7/16+32/16=

39/16

e.

3/5=21/35

4/7=20/35

3/5+4/7=

21/35+20/35=

41/35

f.

8/10=16/20

3/4=15/20

8/10+3/4=

16/20+15/20=

31/20

g.

4/18=8/36

8/12=24/36

4/18+8/12=

8/36+24/36=

32/36

h.

4/9=40/90

8/10=72/90

4/9-8/10=

40/90-72/90=

-32/90

Answer 2

Resposta:

Explicação passo a passo:

alguns valores ainda é possível simplificar