Add 64/3 and 7/84
1st number: 21 1/3, 2nd number: 7/84
64/3 + 7/84 is 257/12.
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,
64/3 = 64 × 28/3 × 28 = 1792/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Add the two like fractions:
1792/84 + 7/84 = 1792 + 7/84 = 1799/84 - 1799/84 simplified gives 257/12
- So, 64/3 + 7/84 = 257/12
In mixed form: 215/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/3+14/84 64/6+7/84 64/3+21/84 64/9+7/84 64/3+35/84 64/15+7/84 64/3+49/84 64/21+7/84