Subtract 49/63 from 5/12
5/12 - 49/63 is -13/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
5/12 = 5 × 21/12 × 21 = 105/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
49/63 = 49 × 4/63 × 4 = 196/252 - Subtract the two like fractions:
105/252 - 196/252 = 105 - 196/252 = -91/252 - After reducing the fraction, the answer is -13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12-49/63 5/12-98/63 5/24-49/63 15/12-49/63 5/36-49/63 25/12-49/63 5/60-49/63 35/12-49/63 5/84-49/63