Subtract 56/20 from 18/14
1st number: 1 4/14, 2nd number: 2 16/20
18/14 - 56/20 is -53/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
18/14 = 18 × 10/14 × 10 = 180/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Subtract the two like fractions:
180/140 - 392/140 = 180 - 392/140 = -212/140 - After reducing the fraction, the answer is -53/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-56/20 18/28-56/20 18/14-56/40 54/14-56/20 18/42-56/20 18/14-56/60 90/14-56/20 18/70-56/20 18/98-56/20