Question

Calcule e simplifique o resultado quando for possível:
2/5+1/3=


7/9- 1/6 =


5/8+ 7/12=


1/4- 1/8=


1/3+ 1/6+ 1/12=

Answer 1

3*(2/5) + 5*(1/3)= 6/15+5/15=11/15

6*(7/9)-9*(1/6)= 42/54-9/54=33/54

12*(5/8)+8*(7/12)= 60/96+56/96 = 116/96=29/24=1 inteiro 5/24