Subtract 56/7 from 2/20
1st number: 2/20, 2nd number: 8 0/7
2/20 - 56/7 is -79/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
56/7 = 56 × 20/7 × 20 = 1120/140 - Subtract the two like fractions:
14/140 - 1120/140 = 14 - 1120/140 = -1106/140 - After reducing the fraction, the answer is -79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-56/7 2/40-56/7 2/20-56/14 6/20-56/7 2/60-56/7 2/20-56/21 10/20-56/7 2/20-56/35 14/20-56/7 2/20-56/49