Add 1/84 and 80/9
1st number: 1/84, 2nd number: 8 8/9
1/84 + 80/9 is 2243/252.
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,
80/9 = 80 × 28/9 × 28 = 2240/252 - Add the two like fractions:
3/252 + 2240/252 = 3 + 2240/252 = 2243/252 - So, 1/84 + 80/9 = 2243/252
In mixed form: 8227/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+80/9 1/84+80/18 3/84+80/9 1/84+80/27 5/84+80/9 1/84+80/45 7/84+80/9 1/84+80/63