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