Subtract 20/84 from 10/3
1st number: 3 1/3, 2nd number: 20/84
10/3 - 20/84 is 65/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
10/3 = 10 × 28/3 × 28 = 280/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Subtract the two like fractions:
280/84 - 20/84 = 280 - 20/84 = 260/84 - After reducing the fraction, the answer is 65/21
- In mixed form: 32/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/3-20/84 10/3-40/84 10/6-20/84 30/3-20/84 10/3-60/84 10/9-20/84 50/3-20/84 10/15-20/84 70/3-20/84 10/21-20/84