Subtract 3/56 from 4/15
4/15 - 3/56 is 179/840.
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,
4/15 = 4 × 56/15 × 56 = 224/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
3/56 = 3 × 15/56 × 15 = 45/840 - Subtract the two like fractions:
224/840 - 45/840 = 224 - 45/840 = 179/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15-3/56 4/15-6/56 4/30-3/56 12/15-3/56 4/15-9/56 4/45-3/56 20/15-3/56 4/15-15/56 4/75-3/56 28/15-3/56 4/15-21/56