Subtract 21/18 from 56/25
1st number: 2 6/25, 2nd number: 1 3/18
56/25 - 21/18 is 161/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
56/25 = 56 × 18/25 × 18 = 1008/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450 - Subtract the two like fractions:
1008/450 - 525/450 = 1008 - 525/450 = 483/450 - After reducing the fraction, the answer is 161/150
- In mixed form: 111/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/25-42/18 56/50-21/18 56/25-21/36 56/25-63/18 56/75-21/18 56/25-21/54 56/25-21/90