Subtract 3/15 from 35/56
35/56 - 3/15 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
35/56 = 35 × 15/56 × 15 = 525/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
3/15 = 3 × 56/15 × 56 = 168/840 - Subtract the two like fractions:
525/840 - 168/840 = 525 - 168/840 = 357/840 - After reducing the fraction, the answer is 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56-3/15 35/56-6/15 35/56-3/30 35/56-9/15 35/56-3/45 35/56-3/75 35/56-21/15