Subtract 72/15 from 63/6
1st number: 10 3/6, 2nd number: 4 12/15
63/6 - 72/15 is 57/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
63/6 = 63 × 5/6 × 5 = 315/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30 - Subtract the two like fractions:
315/30 - 144/30 = 315 - 144/30 = 171/30 - After reducing the fraction, the answer is 57/10
- In mixed form: 57/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-72/15 63/6-72/30 63/18-72/15 63/6-72/45 63/30-72/15 63/6-72/75 63/42-72/15