Add 84/14 and 84/54
1st number: 6 0/14, 2nd number: 1 30/54
84/14 + 84/54 is 68/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
84/14 = 84 × 27/14 × 27 = 2268/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378 - Add the two like fractions:
2268/378 + 588/378 = 2268 + 588/378 = 2856/378 - 2856/378 simplified gives 68/9
- So, 84/14 + 84/54 = 68/9
In mixed form: 75/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+84/54 84/42+84/54 84/70+84/54 84/98+84/54