Subtract 15/5 from 3/2
1st number: 1 1/2, 2nd number: 3 0/5
3/2 - 15/5 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
3/2 = 3 × 5/2 × 5 = 15/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
15/5 = 15 × 2/5 × 2 = 30/10 - Subtract the two like fractions:
15/10 - 30/10 = 15 - 30/10 = -15/10 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-15/5 3/2-30/5 3/4-15/5 3/2-15/10 9/2-15/5 3/2-45/5 3/6-15/5 15/2-15/5 3/2-75/5 3/10-15/5 3/2-15/25 21/2-15/5 3/14-15/5 3/2-15/35