Subtract 3/56 from 20/25
20/25 - 3/56 is 209/280.
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,
20/25 = 20 × 56/25 × 56 = 1120/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
3/56 = 3 × 25/56 × 25 = 75/1400 - Subtract the two like fractions:
1120/1400 - 75/1400 = 1120 - 75/1400 = 1045/1400 - After reducing the fraction, the answer is 209/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-3/56 20/25-6/56 20/50-3/56 60/25-3/56 20/25-9/56 20/75-3/56 20/25-15/56 20/25-21/56