Question

Efetue:

a)2/3+5/3

b)7/8+2/8

c)12/9+7/9

d)7/8-6/8

e)18/10-17/10

f)8/5x6/9

g)7/8x6/5

h)11/13x7/9

Answer 1

a)2/3+5/3=7/3

b)7/8+2/8=9/8

c)12/9+7/9=19/9

d)7/8-6/8=1/8

e)18/10-17/10=1/10

f)8/5x6/9=48/45

g)7/8x6/5=42/40

h)11/13x7/9=77/117