Add 15/12 and 9/35
1st number: 1 3/12, 2nd number: 9/35
15/12 + 9/35 is 211/140.
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,
15/12 = 15 × 35/12 × 35 = 525/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
9/35 = 9 × 12/35 × 12 = 108/420 - Add the two like fractions:
525/420 + 108/420 = 525 + 108/420 = 633/420 - 633/420 simplified gives 211/140
- So, 15/12 + 9/35 = 211/140
In mixed form: 171/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+9/35 15/12+18/35 15/24+9/35 15/12+9/70 45/12+9/35 15/12+27/35 15/36+9/35 75/12+9/35 15/12+45/35 15/60+9/35 15/12+63/35 15/84+9/35