Subtract 21/56 from 14/27
14/27 - 21/56 is 31/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 27 × 56 = 1512,
14/27 = 14 × 56/27 × 56 = 784/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
21/56 = 21 × 27/56 × 27 = 567/1512 - Subtract the two like fractions:
784/1512 - 567/1512 = 784 - 567/1512 = 217/1512 - After reducing the fraction, the answer is 31/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/27-21/56 14/27-42/56 14/54-21/56 42/27-21/56 14/27-63/56 14/81-21/56 70/27-21/56 98/27-21/56