Add 84/12 and 4/18
1st number: 7 0/12, 2nd number: 4/18
84/12 + 4/18 is 65/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
84/12 = 84 × 3/12 × 3 = 252/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
4/18 = 4 × 2/18 × 2 = 8/36 - Add the two like fractions:
252/36 + 8/36 = 252 + 8/36 = 260/36 - 260/36 simplified gives 65/9
- So, 84/12 + 4/18 = 65/9
In mixed form: 72/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+8/18 84/24+4/18 84/12+4/36 84/12+12/18 84/36+4/18 84/12+4/54 84/12+20/18 84/60+4/18 84/12+4/90 84/12+28/18