Subtract 45/15 from 90/24
1st number: 3 18/24, 2nd number: 3 0/15
90/24 - 45/15 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
90/24 = 90 × 5/24 × 5 = 450/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
45/15 = 45 × 8/15 × 8 = 360/120 - Subtract the two like fractions:
450/120 - 360/120 = 450 - 360/120 = 90/120 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24-90/15 90/48-45/15 90/24-45/30 90/72-45/15 90/24-45/75