Subtract 18/28 from 35/56
35/56 - 18/28 is -1/56.
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,
35/56 = 35 × 1/56 × 1 = 35/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Subtract the two like fractions:
35/56 - 36/56 = 35 - 36/56 = -1/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-18/28 35/56-36/28 35/56-18/56 35/56-54/28 35/56-18/84 35/56-90/28