Subtract 30/24 from 90/15
1st number: 6 0/15, 2nd number: 1 6/24
90/15 - 30/24 is 19/4.
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,
90/15 = 90 × 8/15 × 8 = 720/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
30/24 = 30 × 5/24 × 5 = 150/120 - Subtract the two like fractions:
720/120 - 150/120 = 720 - 150/120 = 570/120 - After reducing the fraction, the answer is 19/4
- In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15-60/24 90/30-30/24 90/15-30/48 90/15-90/24 90/45-30/24 90/15-30/72 90/75-30/24