Subtract 4/56 from 20/8
1st number: 2 4/8, 2nd number: 4/56
20/8 - 4/56 is 17/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
20/8 = 20 × 7/8 × 7 = 140/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
4/56 = 4 × 1/56 × 1 = 4/56 - Subtract the two like fractions:
140/56 - 4/56 = 140 - 4/56 = 136/56 - After reducing the fraction, the answer is 17/7
- In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-4/56 20/8-8/56 20/16-4/56 60/8-4/56 20/8-12/56 20/24-4/56 20/8-20/56 20/40-4/56 20/8-28/56 20/56-4/56