Subtract 18/40 from 56/12
1st number: 4 8/12, 2nd number: 18/40
56/12 - 18/40 is 253/60.
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,
18/40 = 18 × 3/40 × 3 = 54/120 - Subtract the two like fractions:
560/120 - 54/120 = 560 - 54/120 = 506/120 - After reducing the fraction, the answer is 253/60
- In mixed form: 413/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-36/40 56/24-18/40 56/12-18/80 56/12-54/40 56/36-18/40 56/12-90/40 56/60-18/40 56/84-18/40