Subtract 5/14 from 50/21
1st number: 2 8/21, 2nd number: 5/14
50/21 - 5/14 is 85/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
50/21 = 50 × 2/21 × 2 = 100/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
5/14 = 5 × 3/14 × 3 = 15/42 - Subtract the two like fractions:
100/42 - 15/42 = 100 - 15/42 = 85/42 - In mixed form: 21/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21-10/14 50/42-5/14 50/21-5/28 50/21-15/14 50/63-5/14 50/21-5/42 50/21-25/14 50/21-5/70 50/21-35/14 50/21-5/98