Add 3/14 and 81/84
3/14 + 81/84 is 33/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
3/14 = 3 × 6/14 × 6 = 18/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Add the two like fractions:
18/84 + 81/84 = 18 + 81/84 = 99/84 - 99/84 simplified gives 33/28
- So, 3/14 + 81/84 = 33/28
In mixed form: 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+81/84 3/28+81/84 9/14+81/84 3/42+81/84 15/14+81/84 3/70+81/84 21/14+81/84 3/98+81/84