Add 84/18 and 14/7
1st number: 4 12/18, 2nd number: 2 0/7
84/18 + 14/7 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
14/7 = 14 × 18/7 × 18 = 252/126 - Add the two like fractions:
588/126 + 252/126 = 588 + 252/126 = 840/126 - 840/126 simplified gives 20/3
- So, 84/18 + 14/7 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+28/7 84/36+14/7 84/18+42/7 84/54+14/7 84/18+14/21 84/18+70/7 84/90+14/7 84/18+14/35 84/18+98/7 84/18+14/49