Subtract 63/72 from 15/12
1st number: 1 3/12, 2nd number: 63/72
15/12 - 63/72 is 3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
15/12 = 15 × 6/12 × 6 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Subtract the two like fractions:
90/72 - 63/72 = 90 - 63/72 = 27/72 - After reducing the fraction, the answer is 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12-63/72 15/24-63/72 45/12-63/72 15/36-63/72 75/12-63/72 15/60-63/72 15/84-63/72