Subtract 5/12 from 5/28
5/28 - 5/12 is -5/21.
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,
5/28 = 5 × 3/28 × 3 = 15/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Subtract the two like fractions:
15/84 - 35/84 = 15 - 35/84 = -20/84 - After reducing the fraction, the answer is -5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28-5/12 5/28-10/12 5/56-5/12 5/28-5/24 15/28-5/12 5/28-15/12 5/84-5/12 5/28-5/36 25/28-5/12 5/28-25/12 5/28-5/60 35/28-5/12 5/28-35/12 5/28-5/84