Question

Some as frações:
3/5 + 2/5 =
12/8 + 5/5 =
3/4 + 2/5 =

Answer 1

Oi,

Resolução


3/5 + 2/5 = 5/5 = 1

12/8 + 5/5 =

MMC = 40

60/40 + 40/40 = 100/40 = 25/10
= 5/2

3/4 + 2/5 =

MMC = 20

15/20 + 8/20 = 23/20

Espero ter ajudado e bons estudos !

Answer 2

= 3/5 + 2/5

= 5/5

= 5 : 5/5 : 5

= 1

= 12/8 + 5/5

= 12 : 4/8 : 4 + 5 : 5/5 : 5

= 3/2 + 1

= 3/2 + 1⠂2/1⠂2

= 3/2 + 2/2

= 5/2

= 3/4 + 2/5

= 3⠂5/4⠂5 + 2⠂4/5⠂4

= 15/20 + 8/20

= 23/20

Espero ter ajudado !!