Question

Efetue os cálculos abaixo : a)3/13+5/13= b)2/9+6/9= c)5/16+3/16= d)6/7-2/7= e)11/15-2/15= f)1/3+1/4= g)1/3+2/4= h)9/10-7/20= i)11/18-5/12= j)4/21+1/14= ​

Answer 1

Resposta:

os divisores iguais vc pode operar sem problemas, os diferentes vc transforma

Explicação passo a passo:

a)3/13+5/13= 8/13

b)2/9+6/9= 9/9

c)5/16+3/16= 8/16

d)6/7-2/7= 9/7

e)11/15-2/15= 13/15.....