Question

Me ajudem pffvv ;--;

Qual O MMC:

a )6.3

b )2.15

c )8.46

d )7.62

Resolver as frações

a )8/8 - 2/8

b )6/7+3/7

c )7/6-3/4

d )3/4-2/5+8/3

Me ajudem ;--;

Answer 1

6, 3 | 2
3, 3 | 3
1, 1 | 1

MMC = 2 . 3 = 6

2, 15 | 2
1, 15 | 3
1, 5 | 5
1, 1 | 1

MMC = 2 . 3 . 5 = 30

8, 46 | 2
4, 23 | 2
2, 23 | 2
1, 23 | 23
1, 1 | 1

MMC = 2 . 2 . 2 . 23 = 184


7, 62 | 2
7, 31 | 7
1, 31 | 31
1, 1 | 1

MMC = 2 . 7 . 31 = 434