Subtract 15/5 from 20/75
1st number: 20/75, 2nd number: 3 0/5
20/75 - 15/5 is -41/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
20/75 = 20 × 1/75 × 1 = 20/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
15/5 = 15 × 15/5 × 15 = 225/75 - Subtract the two like fractions:
20/75 - 225/75 = 20 - 225/75 = -205/75 - After reducing the fraction, the answer is -41/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75-15/5 20/75-30/5 20/75-15/10 60/75-15/5 20/75-45/5 20/75-75/5 20/75-15/25 20/75-15/35