Subtract 56/27 from 21/3
1st number: 7 0/3, 2nd number: 2 2/27
21/3 - 56/27 is 133/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
21/3 = 21 × 9/3 × 9 = 189/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
56/27 = 56 × 1/27 × 1 = 56/27 - Subtract the two like fractions:
189/27 - 56/27 = 189 - 56/27 = 133/27 - In mixed form: 425/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3-56/27 21/6-56/27 21/3-56/54 63/3-56/27 21/9-56/27 21/3-56/81 21/15-56/27