Subtract 12/15 from 15/2
1st number: 7 1/2, 2nd number: 12/15
15/2 - 12/15 is 67/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
15/2 = 15 × 15/2 × 15 = 225/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Subtract the two like fractions:
225/30 - 24/30 = 225 - 24/30 = 201/30 - After reducing the fraction, the answer is 67/10
- In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-12/15 15/2-24/15 15/4-12/15 15/2-12/30 45/2-12/15 15/2-36/15 15/6-12/15 15/2-12/45 75/2-12/15 15/2-60/15 15/10-12/15 15/2-12/75 15/2-84/15 15/14-12/15