Subtract 90/24 from 6/15
1st number: 6/15, 2nd number: 3 18/24
6/15 - 90/24 is -67/20.
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,
6/15 = 6 × 8/15 × 8 = 48/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
90/24 = 90 × 5/24 × 5 = 450/120 - Subtract the two like fractions:
48/120 - 450/120 = 48 - 450/120 = -402/120 - After reducing the fraction, the answer is -67/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15-90/24 6/30-90/24 6/15-90/48 18/15-90/24 6/45-90/24 6/15-90/72 30/15-90/24 6/75-90/24 42/15-90/24