Subtract 9/56 from 2/15
2/15 - 9/56 is -23/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
2/15 = 2 × 56/15 × 56 = 112/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Subtract the two like fractions:
112/840 - 135/840 = 112 - 135/840 = -23/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15-9/56 2/15-18/56 2/30-9/56 6/15-9/56 2/15-27/56 2/45-9/56 10/15-9/56 2/15-45/56 2/75-9/56 14/15-9/56 2/15-63/56