Question

me ajuda pfvv
n consigo responder essas ​

Answer 1

Resposta:

Explicação passo-a-passo:

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

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

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

d) $\frac{9}{5}$ - $\frac{4}{5}$ = $\frac{5}{5}$ = 1

e) $\frac{11}{12}$ - $\frac{3}{12}$ = $\frac{8}{12}$

f) $\frac{15}{8}$ - $\frac{9}{8}$ = $\frac{6}{8}$

Answer 2

Resposta:

(a) 7/9

b) 6/10 Simplificando: 3/5

c) 9/12 Simplificando: 3/4

d) 5/5 Simplificando: 1/1 ou 1

e) 8/12 Simplificando: 2/3

f) 6/8 Simplificando: 3/4