Subtract 27/24 from 28/15
1st number: 1 13/15, 2nd number: 1 3/24
28/15 - 27/24 is 89/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
28/15 = 28 × 8/15 × 8 = 224/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
27/24 = 27 × 5/24 × 5 = 135/120 - Subtract the two like fractions:
224/120 - 135/120 = 224 - 135/120 = 89/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-27/24 28/15-54/24 28/30-27/24 28/15-27/48 84/15-27/24 28/15-81/24 28/45-27/24 28/15-27/72 28/75-27/24