Subtract 24/18 from 15/28
1st number: 15/28, 2nd number: 1 6/18
15/28 - 24/18 is -67/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
24/18 = 24 × 14/18 × 14 = 336/252 - Subtract the two like fractions:
135/252 - 336/252 = 135 - 336/252 = -201/252 - After reducing the fraction, the answer is -67/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-24/18 15/28-48/18 15/56-24/18 15/28-24/36 45/28-24/18 15/28-72/18 15/84-24/18 15/28-24/54 75/28-24/18 15/28-24/90