Subtract 40/36 from 15/2
1st number: 7 1/2, 2nd number: 1 4/36
15/2 - 40/36 is 115/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
15/2 = 15 × 18/2 × 18 = 270/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
40/36 = 40 × 1/36 × 1 = 40/36 - Subtract the two like fractions:
270/36 - 40/36 = 270 - 40/36 = 230/36 - After reducing the fraction, the answer is 115/18
- In mixed form: 67/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-40/36 15/2-80/36 15/4-40/36 15/2-40/72 45/2-40/36 15/6-40/36 75/2-40/36 15/10-40/36 15/14-40/36