Subtract 6/12 from 2/28
2/28 - 6/12 is -3/7.
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,
6/12 = 6 × 7/12 × 7 = 42/84 - Subtract the two like fractions:
6/84 - 42/84 = 6 - 42/84 = -36/84 - After reducing the fraction, the answer is -3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-6/12 2/56-6/12 2/28-6/24 6/28-6/12 2/28-18/12 2/84-6/12 2/28-6/36 10/28-6/12 2/28-30/12 2/28-6/60 14/28-6/12 2/28-42/12 2/28-6/84