Subtract 80/14 from 10/81, Solve 10/81

Subtract 80/14 from 10/81

1^st number: 10/81, 2^nd number: 5 10/14

10/81 - 80/14 is -3170/567.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 14 is 1134

Next, find the equivalent fraction of both fractional numbers with denominator 1134
For the 1st fraction, since 81 × 14 = 1134,
10/81 = 10 × 14/81 × 14 = 140/1134
Likewise, for the 2nd fraction, since 14 × 81 = 1134,
80/14 = 80 × 81/14 × 81 = 6480/1134
Subtract the two like fractions:
140/1134 - 6480/1134 = 140 - 6480/1134 = -6340/1134
After reducing the fraction, the answer is -3170/567

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