Subtract 24/9 from 18/15
1st number: 1 3/15, 2nd number: 2 6/9
18/15 - 24/9 is -22/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
18/15 = 18 × 3/15 × 3 = 54/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
24/9 = 24 × 5/9 × 5 = 120/45 - Subtract the two like fractions:
54/45 - 120/45 = 54 - 120/45 = -66/45 - After reducing the fraction, the answer is -22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15-24/9 18/15-48/9 18/30-24/9 18/15-24/18 54/15-24/9 18/15-72/9 18/45-24/9 18/15-24/27 90/15-24/9 18/75-24/9 18/15-24/45 18/15-24/63