Subtract 4/56 from 3/15
3/15 - 4/56 is 9/70.
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,
3/15 = 3 × 56/15 × 56 = 168/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
4/56 = 4 × 15/56 × 15 = 60/840 - Subtract the two like fractions:
168/840 - 60/840 = 168 - 60/840 = 108/840 - After reducing the fraction, the answer is 9/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-4/56 3/15-8/56 3/30-4/56 9/15-4/56 3/15-12/56 3/45-4/56 3/15-20/56 3/75-4/56 21/15-4/56 3/15-28/56