Subtract 8/12 from 6/28
6/28 - 8/12 is -19/42.
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,
6/28 = 6 × 3/28 × 3 = 18/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Subtract the two like fractions:
18/84 - 56/84 = 18 - 56/84 = -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: 12/28-8/12 6/28-16/12 6/56-8/12 6/28-8/24 18/28-8/12 6/28-24/12 6/84-8/12 6/28-8/36 30/28-8/12 6/28-40/12 6/28-8/60 42/28-8/12 6/28-56/12 6/28-8/84