Subtract 7/56 from 81/50
1st number: 1 31/50, 2nd number: 7/56
81/50 - 7/56 is 299/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
81/50 = 81 × 28/50 × 28 = 2268/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
7/56 = 7 × 25/56 × 25 = 175/1400 - Subtract the two like fractions:
2268/1400 - 175/1400 = 2268 - 175/1400 = 2093/1400 - After reducing the fraction, the answer is 299/200
- In mixed form: 199/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50-14/56 81/50-21/56 81/50-35/56 81/50-49/56