Subtract 81/14 from 24/28
1st number: 24/28, 2nd number: 5 11/14
24/28 - 81/14 is -69/14.
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,
24/28 = 24 × 1/28 × 1 = 24/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
81/14 = 81 × 2/14 × 2 = 162/28 - Subtract the two like fractions:
24/28 - 162/28 = 24 - 162/28 = -138/28 - After reducing the fraction, the answer is -69/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/28-81/14 24/56-81/14 24/28-81/28 72/28-81/14 24/84-81/14 24/28-81/42 24/28-81/70 24/28-81/98