Subtract 2/12 from 2/28
2/28 - 2/12 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
2/28 = 2 × 3/28 × 3 = 6/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Subtract the two like fractions:
6/84 - 14/84 = 6 - 14/84 = -8/84 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-2/12 2/28-4/12 2/56-2/12 2/28-2/24 6/28-2/12 2/28-6/12 2/84-2/12 2/28-2/36 10/28-2/12 2/28-10/12 2/28-2/60 14/28-2/12 2/28-14/12 2/28-2/84