Add 14/12 and 84/54
1st number: 1 2/12, 2nd number: 1 30/54
14/12 + 84/54 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
14/12 = 14 × 9/12 × 9 = 126/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
84/54 = 84 × 2/54 × 2 = 168/108 - Add the two like fractions:
126/108 + 168/108 = 126 + 168/108 = 294/108 - 294/108 simplified gives 49/18
- So, 14/12 + 84/54 = 49/18
In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12+84/54 14/24+84/54 42/12+84/54 14/36+84/54 70/12+84/54 14/60+84/54 98/12+84/54 14/84+84/54