Add 84/9 and 63/80
1st number: 9 3/9, 2nd number: 63/80
84/9 + 63/80 is 2429/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
84/9 = 84 × 80/9 × 80 = 6720/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
63/80 = 63 × 9/80 × 9 = 567/720 - Add the two like fractions:
6720/720 + 567/720 = 6720 + 567/720 = 7287/720 - 7287/720 simplified gives 2429/240
- So, 84/9 + 63/80 = 2429/240
In mixed form: 1029/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+63/80 84/27+63/80 84/45+63/80 84/63+63/80