Subtract 1/81 from 50/28
1st number: 1 22/28, 2nd number: 1/81
50/28 - 1/81 is 2011/1134.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
50/28 = 50 × 81/28 × 81 = 4050/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
1/81 = 1 × 28/81 × 28 = 28/2268 - Subtract the two like fractions:
4050/2268 - 28/2268 = 4050 - 28/2268 = 4022/2268 - After reducing the fraction, the answer is 2011/1134
- In mixed form: 1877/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28-2/81 50/56-1/81 50/28-3/81 50/84-1/81 50/28-5/81 50/28-7/81