Subtract 81/6 from 1/28
1st number: 1/28, 2nd number: 13 3/6
1/28 - 81/6 is -377/28.
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,
1/28 = 1 × 3/28 × 3 = 3/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
81/6 = 81 × 14/6 × 14 = 1134/84 - Subtract the two like fractions:
3/84 - 1134/84 = 3 - 1134/84 = -1131/84 - After reducing the fraction, the answer is -377/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-81/6 1/56-81/6 1/28-81/12 3/28-81/6 1/84-81/6 1/28-81/18 5/28-81/6 1/28-81/30 7/28-81/6 1/28-81/42