Question

a) 2/9 + 5/9

b) 4/10 + 2/10

c) 2/15 + 3/15

d) 5/12 + 3/12 + 1/12

e) 5/4 + 3/4

f) 1/6 + 2/6 + 3/6​

Answer 1

Olá.

a)

$\frac{2}{9} + \frac{5}{9} = \frac{7}{9}$

b)

$\frac{4}{10} + \frac{2}{10} = \frac{6}{10}$

c)

$\frac{2}{15} + \frac{3}{15} = \frac{5}{15}$

d)

$\frac{5}{12} + \frac{3}{12} + \frac{1}{12} = \frac{9}{12}$

e)

$\frac{5}{4} + \frac{3}{4} = \frac{8}{4}$

f)

$\frac{1}{6} + \frac{2}{6} + \frac{3}{6} = \frac{6}{6}$