Subtract 9/56 from 15/28
15/28 - 9/56 is 3/8.
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,
15/28 = 15 × 2/28 × 2 = 30/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
9/56 = 9 × 1/56 × 1 = 9/56 - Subtract the two like fractions:
30/56 - 9/56 = 30 - 9/56 = 21/56 - After reducing the fraction, the answer is 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-9/56 15/28-18/56 15/56-9/56 45/28-9/56 15/28-27/56 15/84-9/56 75/28-9/56 15/28-45/56 15/28-63/56