Subtract 9/28 from 9/56
9/56 - 9/28 is -9/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
9/56 = 9 × 1/56 × 1 = 9/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
9/28 = 9 × 2/28 × 2 = 18/56 - Subtract the two like fractions:
9/56 - 18/56 = 9 - 18/56 = -9/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/56-9/28 9/56-18/28 9/56-9/56 27/56-9/28 9/56-27/28 9/56-9/84 45/56-9/28 9/56-45/28 63/56-9/28 9/56-63/28