Subtract 12/5 from 30/3
1st number: 10 0/3, 2nd number: 2 2/5
30/3 - 12/5 is 38/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
30/3 = 30 × 5/3 × 5 = 150/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
12/5 = 12 × 3/5 × 3 = 36/15 - Subtract the two like fractions:
150/15 - 36/15 = 150 - 36/15 = 114/15 - After reducing the fraction, the answer is 38/5
- In mixed form: 73/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-12/5 30/3-24/5 30/6-12/5 30/3-12/10 90/3-12/5 30/3-36/5 30/9-12/5 30/3-12/15 30/3-60/5 30/15-12/5 30/3-12/25 30/3-84/5 30/21-12/5 30/3-12/35