Add 3/12 and 84/35
1st number: 3/12, 2nd number: 2 14/35
3/12 + 84/35 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
84/35 = 84 × 12/35 × 12 = 1008/420 - Add the two like fractions:
105/420 + 1008/420 = 105 + 1008/420 = 1113/420 - 1113/420 simplified gives 53/20
- So, 3/12 + 84/35 = 53/20
In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+84/35 3/24+84/35 3/12+84/70 9/12+84/35 3/36+84/35 15/12+84/35 3/60+84/35 21/12+84/35 3/84+84/35