Subtract 27/14 from 8/20
1st number: 8/20, 2nd number: 1 13/14
8/20 - 27/14 is -107/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
27/14 = 27 × 10/14 × 10 = 270/140 - Subtract the two like fractions:
56/140 - 270/140 = 56 - 270/140 = -214/140 - After reducing the fraction, the answer is -107/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-27/14 8/20-54/14 8/40-27/14 8/20-27/28 24/20-27/14 8/20-81/14 8/60-27/14 8/20-27/42 40/20-27/14 8/20-27/70 56/20-27/14 8/20-27/98