Subtract 14/21 from 56/54
1st number: 1 2/54, 2nd number: 14/21
56/54 - 14/21 is 10/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
14/21 = 14 × 18/21 × 18 = 252/378 - Subtract the two like fractions:
392/378 - 252/378 = 392 - 252/378 = 140/378 - After reducing the fraction, the answer is 10/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54-28/21 56/54-14/42 56/54-42/21 56/54-14/63 56/54-70/21 56/54-98/21