Subtract 27/56 from 32/21
1st number: 1 11/21, 2nd number: 27/56
32/21 - 27/56 is 25/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
32/21 = 32 × 8/21 × 8 = 256/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
27/56 = 27 × 3/56 × 3 = 81/168 - Subtract the two like fractions:
256/168 - 81/168 = 256 - 81/168 = 175/168 - After reducing the fraction, the answer is 25/24
- In mixed form: 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21-27/56 32/21-54/56 32/42-27/56 96/21-27/56 32/21-81/56 32/63-27/56