Subtract 81/14 from 2/54
1st number: 2/54, 2nd number: 5 11/14
2/54 - 81/14 is -2173/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
81/14 = 81 × 27/14 × 27 = 2187/378 - Subtract the two like fractions:
14/378 - 2187/378 = 14 - 2187/378 = -2173/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-81/14 2/54-81/28 6/54-81/14 2/54-81/42 10/54-81/14 2/54-81/70 14/54-81/14 2/54-81/98