Question

Simplify the following expression 7-5/6 × 7-7/6

Answer 1

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A
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Answer 2

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$7 - ( \frac{5}{6} \times 7) - \frac{7}{6}$

$= 7 - \frac{35}{6} - \frac{7}{6}$

Since the denominators are unequal, we find the L.C.M (lowest common multiple) for the denominators.

The L. C. M is 6.

Now, multiply the L.C.M. with both numerator & denominator.

$= \frac{7 \times 6}{1 \times 6} - \frac{35}{6} - \frac{7}{6}$

Now that the denominators are equal, we can add/subtract them.

$= \frac{42- 35 - 7}{6}$

$= \frac{42 - 42}{6}$

$= \frac{ 0}{6}$

$= 0$

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