Subtract 49/21 from 14/36
1st number: 14/36, 2nd number: 2 7/21
14/36 - 49/21 is -35/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
14/36 = 14 × 7/36 × 7 = 98/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
49/21 = 49 × 12/21 × 12 = 588/252 - Subtract the two like fractions:
98/252 - 588/252 = 98 - 588/252 = -490/252 - After reducing the fraction, the answer is -35/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/36-49/21 14/36-98/21 14/72-49/21 14/36-49/42 42/36-49/21 14/36-49/63 70/36-49/21 98/36-49/21