Add 14/21 and 80/18
1st number: 14/21, 2nd number: 4 8/18
14/21 + 80/18 is 46/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
14/21 = 14 × 6/21 × 6 = 84/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
80/18 = 80 × 7/18 × 7 = 560/126 - Add the two like fractions:
84/126 + 560/126 = 84 + 560/126 = 644/126 - 644/126 simplified gives 46/9
- So, 14/21 + 80/18 = 46/9
In mixed form: 51/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+80/18 14/42+80/18 14/21+80/36 42/21+80/18 14/63+80/18 14/21+80/54 70/21+80/18 14/21+80/90 98/21+80/18