Subtract 7/5 from 30/3
1st number: 10 0/3, 2nd number: 1 2/5
30/3 - 7/5 is 43/5.
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,
7/5 = 7 × 3/5 × 3 = 21/15 - Subtract the two like fractions:
150/15 - 21/15 = 150 - 21/15 = 129/15 - After reducing the fraction, the answer is 43/5
- In mixed form: 83/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-7/5 30/3-14/5 30/6-7/5 30/3-7/10 90/3-7/5 30/3-21/5 30/9-7/5 30/3-7/15 30/3-35/5 30/15-7/5 30/3-7/25 30/3-49/5 30/21-7/5 30/3-7/35