Subtract 3/6 from 81/28
1st number: 2 25/28, 2nd number: 3/6
81/28 - 3/6 is 67/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
3/6 = 3 × 14/6 × 14 = 42/84 - Subtract the two like fractions:
243/84 - 42/84 = 243 - 42/84 = 201/84 - After reducing the fraction, the answer is 67/28
- In mixed form: 211/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/56-3/6 81/28-3/12 81/28-9/6 81/84-3/6 81/28-3/18 81/28-15/6 81/28-3/30 81/28-21/6 81/28-3/42