Add 3/12 and 14/35
3/12 + 14/35 is 13/20.
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,
14/35 = 14 × 12/35 × 12 = 168/420 - Add the two like fractions:
105/420 + 168/420 = 105 + 168/420 = 273/420 - 273/420 simplified gives 13/20
- So, 3/12 + 14/35 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+14/35 3/12+28/35 3/24+14/35 3/12+14/70 9/12+14/35 3/12+42/35 3/36+14/35 15/12+14/35 3/12+70/35 3/60+14/35 21/12+14/35 3/12+98/35 3/84+14/35