Subtract 3/27 from 28/56
28/56 - 3/27 is 7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
28/56 = 28 × 27/56 × 27 = 756/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
3/27 = 3 × 56/27 × 56 = 168/1512 - Subtract the two like fractions:
756/1512 - 168/1512 = 756 - 168/1512 = 588/1512 - After reducing the fraction, the answer is 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56-6/27 28/56-3/54 84/56-3/27 28/56-9/27 28/56-3/81 28/56-15/27 28/56-21/27