Question

$\frac{6}{7} + \frac{1}{4} - \frac{1}{2} =$
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Answer 1

• Encontrar el MCM:

7,4,2 | 2

7,2,1 | 2

7,1,1 | 7

1,1,1 |____/ mcm(7,4,2)=28

6/7+1/4-1/2=(24+7-14)/28

6/7+1/4-1/2=(31-14)/28

6/7+1/4-1/2=17/28 → respuesta