Subtract 21/8 from 56/25
1st number: 2 6/25, 2nd number: 2 5/8
56/25 - 21/8 is -77/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
56/25 = 56 × 8/25 × 8 = 448/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
21/8 = 21 × 25/8 × 25 = 525/200 - Subtract the two like fractions:
448/200 - 525/200 = 448 - 525/200 = -77/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/25-42/8 56/50-21/8 56/25-21/16 56/25-63/8 56/75-21/8 56/25-21/24 56/25-21/40 56/25-21/56