Question

Calcule a adição de racionais frações com denominadores diferentes:
a) 10/9 + 20/8 =

b) 6/8 + 8/7 =

c) 3/7 + 4/6 =

d) 4/6 + 3/5 =

e) 2/5 + 3/4

f) 2/5 + 8/6

g) 12/7 + 10/4

h) 30/3 + 5/7 =

i) 10/9 + 4/7 =

j) 20/8 + 10/4 =

Answer 1

a)10/9 + 20/8 =3.61111111111

b)6/8 + 8/7 =1.89285714286

c)3/7 + 4/6 =1.09523809524

d)4/6 + 3/5 =1.26666666667

e)2/5 + 3/4=1.15

f)2/5 + 8/6=1.73333333333

g) 12/7 + 10/4=4.21428571429

h)30/3 + 5/7 =10.7142857143

i)10/9 + 4/7 =1.68253968254

j)20/8 + 10/4 =5