Subtract 27/15 from 30/2
1st number: 15 0/2, 2nd number: 1 12/15
30/2 - 27/15 is 66/5.
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,
30/2 = 30 × 15/2 × 15 = 450/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Subtract the two like fractions:
450/30 - 54/30 = 450 - 54/30 = 396/30 - After reducing the fraction, the answer is 66/5
- In mixed form: 131/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-27/15 30/2-54/15 30/4-27/15 30/2-27/30 90/2-27/15 30/2-81/15 30/6-27/15 30/2-27/45 30/10-27/15 30/2-27/75 30/14-27/15