Subtract 27/15 from 3/2
1st number: 1 1/2, 2nd number: 1 12/15
3/2 - 27/15 is -3/10.
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,
3/2 = 3 × 15/2 × 15 = 45/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Subtract the two like fractions:
45/30 - 54/30 = 45 - 54/30 = -9/30 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-27/15 3/2-54/15 3/4-27/15 3/2-27/30 9/2-27/15 3/2-81/15 3/6-27/15 3/2-27/45 15/2-27/15 3/10-27/15 3/2-27/75 21/2-27/15 3/14-27/15