Subtract 42/7 from 14/15, Solve 14/15

Subtract 42/7 from 14/15

1^st number: 14/15, 2^nd number: 6 0/7

14/15 - 42/7 is -76/15.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
14/15 = 14 × 7/15 × 7 = 98/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
42/7 = 42 × 15/7 × 15 = 630/105
Subtract the two like fractions:
98/105 - 630/105 = 98 - 630/105 = -532/105
After reducing the fraction, the answer is -76/15

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