Subtract 21/56 from 8/25
8/25 - 21/56 is -11/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 25 × 56 = 1400,
8/25 = 8 × 56/25 × 56 = 448/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
21/56 = 21 × 25/56 × 25 = 525/1400 - Subtract the two like fractions:
448/1400 - 525/1400 = 448 - 525/1400 = -77/1400 - After reducing the fraction, the answer is -11/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-21/56 8/25-42/56 8/50-21/56 24/25-21/56 8/25-63/56 8/75-21/56 40/25-21/56 56/25-21/56