Subtract 21/6 from 56/30
1st number: 1 26/30, 2nd number: 3 3/6
56/30 - 21/6 is -49/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
56/30 = 56 × 1/30 × 1 = 56/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30 - Subtract the two like fractions:
56/30 - 105/30 = 56 - 105/30 = -49/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-42/6 56/60-21/6 56/30-21/12 56/30-63/6 56/90-21/6 56/30-21/18 56/30-21/30 56/30-21/42