Subtract 3/30 from 30/2
1st number: 15 0/2, 2nd number: 3/30
30/2 - 3/30 is 149/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 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 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30 - Subtract the two like fractions:
450/30 - 3/30 = 450 - 3/30 = 447/30 - After reducing the fraction, the answer is 149/10
- In mixed form: 149/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-3/30 30/2-6/30 30/4-3/30 30/2-3/60 90/2-3/30 30/2-9/30 30/6-3/30 30/2-3/90 30/2-15/30 30/10-3/30 30/2-21/30 30/14-3/30