Add 18/12 and 84/10
1st number: 1 6/12, 2nd number: 8 4/10
18/12 + 84/10 is 99/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
84/10 = 84 × 6/10 × 6 = 504/60 - Add the two like fractions:
90/60 + 504/60 = 90 + 504/60 = 594/60 - 594/60 simplified gives 99/10
- So, 18/12 + 84/10 = 99/10
In mixed form: 99/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+84/10 18/24+84/10 18/12+84/20 54/12+84/10 18/36+84/10 18/12+84/30 90/12+84/10 18/60+84/10 18/12+84/50 18/84+84/10 18/12+84/70