Subtract 18/36 from 15/3
1st number: 5 0/3, 2nd number: 18/36
15/3 - 18/36 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
15/3 = 15 × 12/3 × 12 = 180/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
18/36 = 18 × 1/36 × 1 = 18/36 - Subtract the two like fractions:
180/36 - 18/36 = 180 - 18/36 = 162/36 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3-18/36 15/6-18/36 15/3-18/72 45/3-18/36 15/3-54/36 15/9-18/36 75/3-18/36 15/3-90/36 15/21-18/36