Subtract 24/15 from 75/20
1st number: 3 15/20, 2nd number: 1 9/15
75/20 - 24/15 is 43/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
24/15 = 24 × 4/15 × 4 = 96/60 - Subtract the two like fractions:
225/60 - 96/60 = 225 - 96/60 = 129/60 - After reducing the fraction, the answer is 43/20
- In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-48/15 75/40-24/15 75/20-24/30 75/20-72/15 75/60-24/15 75/20-24/45 75/20-24/75