Subtract 12/63 from 7/12
7/12 - 12/63 is 11/28.
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,
7/12 = 7 × 21/12 × 21 = 147/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
12/63 = 12 × 4/63 × 4 = 48/252 - Subtract the two like fractions:
147/252 - 48/252 = 147 - 48/252 = 99/252 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-12/63 7/12-24/63 7/24-12/63 21/12-12/63 7/12-36/63 7/36-12/63 35/12-12/63 7/12-60/63 7/60-12/63 49/12-12/63 7/12-84/63 7/84-12/63