Subtract 20/48 from 56/12
1st number: 4 8/12, 2nd number: 20/48
56/12 - 20/48 is 17/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
56/12 = 56 × 4/12 × 4 = 224/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
20/48 = 20 × 1/48 × 1 = 20/48 - Subtract the two like fractions:
224/48 - 20/48 = 224 - 20/48 = 204/48 - After reducing the fraction, the answer is 17/4
- In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-40/48 56/24-20/48 56/12-20/96 56/12-60/48 56/36-20/48 56/60-20/48 56/84-20/48