Subtract 3/56 from 20/28
20/28 - 3/56 is 37/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
20/28 = 20 × 2/28 × 2 = 40/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
3/56 = 3 × 1/56 × 1 = 3/56 - Subtract the two like fractions:
40/56 - 3/56 = 40 - 3/56 = 37/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28-3/56 20/28-6/56 20/56-3/56 60/28-3/56 20/28-9/56 20/84-3/56 20/28-15/56 20/28-21/56