Add 20/3 and 45/84
1st number: 6 2/3, 2nd number: 45/84
20/3 + 45/84 is 605/84.
Steps for adding 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,
20/3 = 20 × 28/3 × 28 = 560/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
560/84 + 45/84 = 560 + 45/84 = 605/84 - So, 20/3 + 45/84 = 605/84
In mixed form: 717/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+45/84 20/3+90/84 20/6+45/84 60/3+45/84 20/9+45/84 20/15+45/84 20/21+45/84