Subtract 5/7 from 30/3
1st number: 10 0/3, 2nd number: 5/7
30/3 - 5/7 is 65/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
30/3 = 30 × 7/3 × 7 = 210/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
5/7 = 5 × 3/7 × 3 = 15/21 - Subtract the two like fractions:
210/21 - 15/21 = 210 - 15/21 = 195/21 - After reducing the fraction, the answer is 65/7
- In mixed form: 92/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-5/7 30/3-10/7 30/6-5/7 30/3-5/14 90/3-5/7 30/3-15/7 30/9-5/7 30/3-5/21 30/3-25/7 30/15-5/7 30/3-5/35 30/3-35/7 30/21-5/7 30/3-5/49