Subtract 80/3 from 27/28
1st number: 27/28, 2nd number: 26 2/3
27/28 - 80/3 is -2159/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
27/28 = 27 × 3/28 × 3 = 81/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
80/3 = 80 × 28/3 × 28 = 2240/84 - Subtract the two like fractions:
81/84 - 2240/84 = 81 - 2240/84 = -2159/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-80/3 27/56-80/3 27/28-80/6 81/28-80/3 27/84-80/3 27/28-80/9 27/28-80/15 27/28-80/21