Subtract 56/40 from 10/12
1st number: 10/12, 2nd number: 1 16/40
10/12 - 56/40 is -17/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
10/12 = 10 × 10/12 × 10 = 100/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
56/40 = 56 × 3/40 × 3 = 168/120 - Subtract the two like fractions:
100/120 - 168/120 = 100 - 168/120 = -68/120 - After reducing the fraction, the answer is -17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12-56/40 10/24-56/40 10/12-56/80 30/12-56/40 10/36-56/40 50/12-56/40 10/60-56/40 70/12-56/40 10/84-56/40