Subtract 9/56 from 3/7
3/7 - 9/56 is 15/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
3/7 = 3 × 8/7 × 8 = 24/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
9/56 = 9 × 1/56 × 1 = 9/56 - Subtract the two like fractions:
24/56 - 9/56 = 24 - 9/56 = 15/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7-9/56 3/7-18/56 3/14-9/56 9/7-9/56 3/7-27/56 3/21-9/56 15/7-9/56 3/7-45/56 3/35-9/56 21/7-9/56 3/7-63/56 3/49-9/56