Subtract 6/28 from 8/12
8/12 - 6/28 is 19/42.
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,
8/12 = 8 × 7/12 × 7 = 56/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
6/28 = 6 × 3/28 × 3 = 18/84 - Subtract the two like fractions:
56/84 - 18/84 = 56 - 18/84 = 38/84 - After reducing the fraction, the answer is 19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-6/28 8/12-12/28 8/24-6/28 8/12-6/56 24/12-6/28 8/12-18/28 8/36-6/28 8/12-6/84 40/12-6/28 8/12-30/28 8/60-6/28 56/12-6/28 8/12-42/28 8/84-6/28