Subtract 21/4 from 50/3
1st number: 16 2/3, 2nd number: 5 1/4
50/3 - 21/4 is 137/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
50/3 = 50 × 4/3 × 4 = 200/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Subtract the two like fractions:
200/12 - 63/12 = 200 - 63/12 = 137/12 - In mixed form: 115/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3-42/4 50/6-21/4 50/3-21/8 50/3-63/4 50/9-21/4 50/3-21/12 50/15-21/4 50/3-21/20 50/21-21/4 50/3-21/28