Add 1/84 and 28/9
1st number: 1/84, 2nd number: 3 1/9
1/84 + 28/9 is 787/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
1/84 = 1 × 3/84 × 3 = 3/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
28/9 = 28 × 28/9 × 28 = 784/252 - Add the two like fractions:
3/252 + 784/252 = 3 + 784/252 = 787/252 - So, 1/84 + 28/9 = 787/252
In mixed form: 331/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+28/9 1/84+56/9 1/84+28/18 3/84+28/9 1/84+84/9 1/84+28/27 5/84+28/9 1/84+28/45 7/84+28/9 1/84+28/63