Subtract 15/18 from 50/15
1st number: 3 5/15, 2nd number: 15/18
50/15 - 15/18 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
50/15 = 50 × 6/15 × 6 = 300/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Subtract the two like fractions:
300/90 - 75/90 = 300 - 75/90 = 225/90 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15-30/18 50/30-15/18 50/15-15/36 50/15-45/18 50/45-15/18 50/15-15/54 50/15-75/18 50/75-15/18 50/15-15/90