Subtract 21/49 from 14/15
14/15 - 21/49 is 53/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
14/15 = 14 × 49/15 × 49 = 686/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
21/49 = 21 × 15/49 × 15 = 315/735 - Subtract the two like fractions:
686/735 - 315/735 = 686 - 315/735 = 371/735 - After reducing the fraction, the answer is 53/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-21/49 14/15-42/49 14/30-21/49 14/15-21/98 42/15-21/49 14/15-63/49 14/45-21/49 70/15-21/49 14/75-21/49 98/15-21/49