Question

Me ajudem por favor 7/4+2/6
B) 3/5+4/7
C)6/5+2/6
F)2/6+1/4

Answer 1

Olá...

a)

7 / 4 + 2 / 6 ⇒ 0 mmc (4,2) = 12

21 + 4/12

25/12

b)

3 / 5 + 4 / 7 ⇒o mmc (5,7) = 35

21 + 20/35

41/35

c)

6 / 5 + 2 / 6 ⇒0 mmc (5,6) = 15

18 + 5/15

23/15

d)

2 / 6 + 1 / 4 ⇒o mmc (6,4) = 12

4 + 3/12

7/12

Espero ter ajudado

Answer 2

Resposta:

A) 25/12

B) 41/35

C) 23/15

F) 7/12

Explicação passo-a-passo:

A) 7/4+2/6=21/12+4/12= 25/12  calculando o mmc dos denominadores encontramos 12.

B) 3/5+4/7= 21/35+20/35==41/35

C) 6/5+2/6= 36/30+ 10/30 = 46/30 = 23/15  ( simplificando)

F) 2/6+1/4 = 4/12 + 3/12 = 5/12