Subtract 7/14 from 1/28
1/28 - 7/14 is -13/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
1/28 = 1 × 1/28 × 1 = 1/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
7/14 = 7 × 2/14 × 2 = 14/28 - Subtract the two like fractions:
1/28 - 14/28 = 1 - 14/28 = -13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-7/14 1/56-7/14 1/28-7/28 3/28-7/14 1/28-21/14 1/84-7/14 1/28-7/42 5/28-7/14 1/28-35/14 1/28-7/70 7/28-7/14 1/28-49/14 1/28-7/98