Subtract 20/84 from 25/3
1st number: 8 1/3, 2nd number: 20/84
25/3 - 20/84 is 170/21.
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,
25/3 = 25 × 28/3 × 28 = 700/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Subtract the two like fractions:
700/84 - 20/84 = 700 - 20/84 = 680/84 - After reducing the fraction, the answer is 170/21
- In mixed form: 82/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3-20/84 25/3-40/84 25/6-20/84 75/3-20/84 25/3-60/84 25/9-20/84 25/15-20/84 25/21-20/84