Subtract 1/14 from 5/81
5/81 - 1/14 is -11/1134.
Steps for subtracting fractions
- 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,
5/81 = 5 × 14/81 × 14 = 70/1134 - Likewise, for the 2nd fraction, since 14 × 81 = 1134,
1/14 = 1 × 81/14 × 81 = 81/1134 - Subtract the two like fractions:
70/1134 - 81/1134 = 70 - 81/1134 = -11/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/81-1/14 5/81-2/14 5/81-1/28 15/81-1/14 5/81-3/14 5/81-1/42 25/81-1/14 5/81-5/14 5/81-1/70 35/81-1/14 5/81-7/14 5/81-1/98