Subtract 8/84 from 18/3
1st number: 6 0/3, 2nd number: 8/84
18/3 - 8/84 is 124/21.
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,
18/3 = 18 × 28/3 × 28 = 504/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Subtract the two like fractions:
504/84 - 8/84 = 504 - 8/84 = 496/84 - After reducing the fraction, the answer is 124/21
- In mixed form: 519/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-8/84 18/3-16/84 18/6-8/84 54/3-8/84 18/3-24/84 18/9-8/84 90/3-8/84 18/3-40/84 18/15-8/84 18/3-56/84 18/21-8/84