Subtract 8/5 from 30/3
1st number: 10 0/3, 2nd number: 1 3/5
30/3 - 8/5 is 42/5.
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,
8/5 = 8 × 3/5 × 3 = 24/15 - Subtract the two like fractions:
150/15 - 24/15 = 150 - 24/15 = 126/15 - After reducing the fraction, the answer is 42/5
- In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-8/5 30/3-16/5 30/6-8/5 30/3-8/10 90/3-8/5 30/3-24/5 30/9-8/5 30/3-8/15 30/3-40/5 30/15-8/5 30/3-8/25 30/3-56/5 30/21-8/5 30/3-8/35