Subtract 3/15 from 30/2
1st number: 15 0/2, 2nd number: 3/15
30/2 - 3/15 is 74/5.
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,
3/15 = 3 × 2/15 × 2 = 6/30 - Subtract the two like fractions:
450/30 - 6/30 = 450 - 6/30 = 444/30 - After reducing the fraction, the answer is 74/5
- In mixed form: 144/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-3/15 30/2-6/15 30/4-3/15 30/2-3/30 90/2-3/15 30/2-9/15 30/6-3/15 30/2-3/45 30/10-3/15 30/2-3/75 30/2-21/15 30/14-3/15