Add 84/9 and 14/72
1st number: 9 3/9, 2nd number: 14/72
84/9 + 14/72 is 343/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
84/9 = 84 × 8/9 × 8 = 672/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
14/72 = 14 × 1/72 × 1 = 14/72 - Add the two like fractions:
672/72 + 14/72 = 672 + 14/72 = 686/72 - 686/72 simplified gives 343/36
- So, 84/9 + 14/72 = 343/36
In mixed form: 919/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+28/72 84/18+14/72 84/9+42/72 84/27+14/72 84/9+70/72 84/45+14/72 84/9+98/72 84/63+14/72