Subtract 3/28 from 81/3
1st number: 27 0/3, 2nd number: 3/28
81/3 - 3/28 is 753/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
81/3 = 81 × 28/3 × 28 = 2268/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
3/28 = 3 × 3/28 × 3 = 9/84 - Subtract the two like fractions:
2268/84 - 9/84 = 2268 - 9/84 = 2259/84 - After reducing the fraction, the answer is 753/28
- In mixed form: 2625/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3-6/28 81/6-3/28 81/3-3/56 81/3-9/28 81/9-3/28 81/3-3/84 81/3-15/28 81/15-3/28 81/3-21/28 81/21-3/28