Question

POR FAVOR ME AJUDEM É URGENTE E É PRA HOJE
1) 5/7 + 12/7 =
A) 17/7
B) 17/14
C) 14/17
D) 7/17

2) 8/2 + 5/3 =
A) 24/6
B) 34/6
C) 13/6
D) 3/2

3) 2/5 . 7/3 =
A) 6/21
B) 35/6
C) 10/21
D) 14/15

4) 10/5 : 5/6 =
A) 60/25
B) 30/15
C)2/3
D)50/30

Answer 1

1) 5/7 + 12/7

5+12/7

17/7

2) 8/2 + 5/3

8+5/6

13/6

3) 2/5× 7/3

2×7/5×3

14/15

4) 10/5 ÷ 5/6

2× 6/5

12/5

2/3