Subtract 27/28 from 9/14
9/14 - 27/28 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
9/14 = 9 × 2/14 × 2 = 18/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
27/28 = 27 × 1/28 × 1 = 27/28 - Subtract the two like fractions:
18/28 - 27/28 = 18 - 27/28 = -9/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14-27/28 9/14-54/28 9/28-27/28 9/14-27/56 27/14-27/28 9/14-81/28 9/42-27/28 9/14-27/84 45/14-27/28 9/70-27/28 63/14-27/28 9/98-27/28