Subtract 56/20 from 14/28
1st number: 14/28, 2nd number: 2 16/20
14/28 - 56/20 is -23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
14/28 = 14 × 5/28 × 5 = 70/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Subtract the two like fractions:
70/140 - 392/140 = 70 - 392/140 = -322/140 - After reducing the fraction, the answer is -23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56-56/20 14/28-56/40 42/28-56/20 14/84-56/20 14/28-56/60 70/28-56/20 98/28-56/20