Add 18/12 and 10/84
1st number: 1 6/12, 2nd number: 10/84
18/12 + 10/84 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Add the two like fractions:
126/84 + 10/84 = 126 + 10/84 = 136/84 - 136/84 simplified gives 34/21
- So, 18/12 + 10/84 = 34/21
In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+10/84 18/12+20/84 18/24+10/84 54/12+10/84 18/12+30/84 18/36+10/84 90/12+10/84 18/12+50/84 18/60+10/84 18/12+70/84 18/84+10/84