Add 14/35 and 20/12
1st number: 14/35, 2nd number: 1 8/12
14/35 + 20/12 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
14/35 = 14 × 12/35 × 12 = 168/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Add the two like fractions:
168/420 + 700/420 = 168 + 700/420 = 868/420 - 868/420 simplified gives 31/15
- So, 14/35 + 20/12 = 31/15
In mixed form: 21/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/35+20/12 14/35+40/12 14/70+20/12 14/35+20/24 42/35+20/12 14/35+60/12 14/35+20/36 70/35+20/12 14/35+20/60 98/35+20/12 14/35+20/84