Subtract 35/14 from 6/81, Solve 6/81

Subtract 35/14 from 6/81

1^st number: 6/81, 2^nd number: 2 7/14

6/81 - 35/14 is -131/54.

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,
6/81 = 6 × 14/81 × 14 = 84/1134
Likewise, for the 2nd fraction, since 14 × 81 = 1134,
35/14 = 35 × 81/14 × 81 = 2835/1134
Subtract the two like fractions:
84/1134 - 2835/1134 = 84 - 2835/1134 = -2751/1134
After reducing the fraction, the answer is -131/54

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad