Subtract 3/15 from 56/40
1st number: 1 16/40, 2nd number: 3/15
56/40 - 3/15 is 6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
56/40 = 56 × 3/40 × 3 = 168/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
3/15 = 3 × 8/15 × 8 = 24/120 - Subtract the two like fractions:
168/120 - 24/120 = 168 - 24/120 = 144/120 - After reducing the fraction, the answer is 6/5
- In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40-6/15 56/80-3/15 56/40-3/30 56/40-9/15 56/40-3/45 56/40-3/75 56/40-21/15