Question

Dê a soma dos números racionais do mesmo denominador:

a) 2/4 + 6/4=

b) 2/10 + 2/10=

c) 5/8 + 3/8=

d) 12/4 - 3/4=

e) 20/15 - 5/15=

f) 2/6 + 3/6=

Answer 1

a) 2/4 + 6/4= 8/4 = 2

b) 2/10 + 2/10= 4/10

Simplificando por 2:

2/5

c) 5/8 + 3/8= 8/8 = 1

d) 12/4 - 3/4= 9/4

e) 20/15 - 5/15= 15/15 = 1

f) 2/6 + 3/6= 5/6

Espero ter ajudado ^^