Subtract 9/40 from 56/12
1st number: 4 8/12, 2nd number: 9/40
56/12 - 9/40 is 533/120.
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,
56/12 = 56 × 10/12 × 10 = 560/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Subtract the two like fractions:
560/120 - 27/120 = 560 - 27/120 = 533/120 - In mixed form: 453/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-18/40 56/24-9/40 56/12-9/80 56/12-27/40 56/36-9/40 56/12-45/40 56/60-9/40 56/12-63/40 56/84-9/40