Subtract 5/27 from 5/28
5/28 - 5/27 is -5/756.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
5/28 = 5 × 27/28 × 27 = 135/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
5/27 = 5 × 28/27 × 28 = 140/756 - Subtract the two like fractions:
135/756 - 140/756 = 135 - 140/756 = -5/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28-5/27 5/28-10/27 5/56-5/27 5/28-5/54 15/28-5/27 5/28-15/27 5/84-5/27 5/28-5/81 25/28-5/27 5/28-25/27 35/28-5/27 5/28-35/27