Subtract 6/28 from 3/12
3/12 - 6/28 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
6/28 = 6 × 3/28 × 3 = 18/84 - Subtract the two like fractions:
21/84 - 18/84 = 21 - 18/84 = 3/84 - After reducing the fraction, the answer is 1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-6/28 3/12-12/28 3/24-6/28 3/12-6/56 9/12-6/28 3/12-18/28 3/36-6/28 3/12-6/84 15/12-6/28 3/12-30/28 3/60-6/28 21/12-6/28 3/12-42/28 3/84-6/28