Subtract 9/28 from 3/8
3/8 - 9/28 is 3/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
3/8 = 3 × 7/8 × 7 = 21/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
9/28 = 9 × 2/28 × 2 = 18/56 - Subtract the two like fractions:
21/56 - 18/56 = 21 - 18/56 = 3/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-9/28 3/8-18/28 3/16-9/28 3/8-9/56 9/8-9/28 3/8-27/28 3/24-9/28 3/8-9/84 15/8-9/28 3/8-45/28 3/40-9/28 21/8-9/28 3/8-63/28 3/56-9/28