Subtract 20/15 from 63/10
1st number: 6 3/10, 2nd number: 1 5/15
63/10 - 20/15 is 149/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
63/10 = 63 × 3/10 × 3 = 189/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Subtract the two like fractions:
189/30 - 40/30 = 189 - 40/30 = 149/30 - In mixed form: 429/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10-40/15 63/20-20/15 63/10-20/30 63/10-60/15 63/30-20/15 63/10-20/45 63/50-20/15 63/10-20/75 63/70-20/15