Add 10/12 and 84/18
1st number: 10/12, 2nd number: 4 12/18
10/12 + 84/18 is 11/2.
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,
10/12 = 10 × 3/12 × 3 = 30/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
84/18 = 84 × 2/18 × 2 = 168/36 - Add the two like fractions:
30/36 + 168/36 = 30 + 168/36 = 198/36 - 198/36 simplified gives 11/2
- So, 10/12 + 84/18 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/12+84/18 10/24+84/18 10/12+84/36 30/12+84/18 10/36+84/18 10/12+84/54 50/12+84/18 10/60+84/18 10/12+84/90 70/12+84/18 10/84+84/18