Question

efetue as operações com frações

a)3/4+1/2

b)2/3+1/4

c)5/6+7/8

d)4/3+2/5

e)3/10+2/5

f)3/4-1/2

g)1/2-3/20

h)5/6-7/12+3/8

me ajudem por favor eu preciso ate 11:00 horas

Answer 1

A)3/4+1/2=3+2/4=5/4
B)2/3+1/4=8+3/12=11/12
C)5/6+7/8=20+21/24=41/24
D)4/3+2/5=20+6/15=26/15
E)3/10+2/5=3+4/10=7/10
F)3/4-1/2=3-2/4=1/1
G)1/2-3/20=10-3/20=7/20
H)5/6-7/12+3/8=20-14+9/24=15/24

Espero ter ajudado s2