Subtract 21/15 from 50/3
1st number: 16 2/3, 2nd number: 1 6/15
50/3 - 21/15 is 229/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
50/3 = 50 × 5/3 × 5 = 250/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
21/15 = 21 × 1/15 × 1 = 21/15 - Subtract the two like fractions:
250/15 - 21/15 = 250 - 21/15 = 229/15 - In mixed form: 154/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3-42/15 50/6-21/15 50/3-21/30 50/3-63/15 50/9-21/15 50/3-21/45 50/15-21/15 50/3-21/75 50/21-21/15