Subtract 15/20 from 75/24
1st number: 3 3/24, 2nd number: 15/20
75/24 - 15/20 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
75/24 = 75 × 5/24 × 5 = 375/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
15/20 = 15 × 6/20 × 6 = 90/120 - Subtract the two like fractions:
375/120 - 90/120 = 375 - 90/120 = 285/120 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/24-30/20 75/48-15/20 75/24-15/40 75/24-45/20 75/72-15/20 75/24-15/60 75/24-75/20