Question

valor da espressao 1/2-1/5+5/8=

Answer 1

1/2-1/5+5/8=5/10-2/10=3/10+5/8=24+50/80=37/40

Answer 2

1/2 - 1/5 + 5/8 => 20- 8+ 25/40 = 37/40

MMC= 40

2,5,8/2

1,4,5/2

1,2,5/2

1,1,5/5

1,1,1