Add 35/12 and 42/84
1st number: 2 11/12, 2nd number: 42/84
35/12 + 42/84 is 41/12.
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,
35/12 = 35 × 7/12 × 7 = 245/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Add the two like fractions:
245/84 + 42/84 = 245 + 42/84 = 287/84 - 287/84 simplified gives 41/12
- So, 35/12 + 42/84 = 41/12
In mixed form: 35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+42/84 35/24+42/84 35/36+42/84 35/60+42/84 35/84+42/84