Subtract 21/50 from 6/10
6/10 - 21/50 is 9/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
6/10 = 6 × 5/10 × 5 = 30/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
21/50 = 21 × 1/50 × 1 = 21/50 - Subtract the two like fractions:
30/50 - 21/50 = 30 - 21/50 = 9/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/10-21/50 6/10-42/50 6/20-21/50 18/10-21/50 6/10-63/50 6/30-21/50 30/10-21/50 6/50-21/50 42/10-21/50 6/70-21/50