Add 9/12 and 6/35
9/12 + 6/35 is 129/140.
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,
9/12 = 9 × 35/12 × 35 = 315/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
6/35 = 6 × 12/35 × 12 = 72/420 - Add the two like fractions:
315/420 + 72/420 = 315 + 72/420 = 387/420 - 387/420 simplified gives 129/140
- So, 9/12 + 6/35 = 129/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+6/35 9/12+12/35 9/24+6/35 9/12+6/70 27/12+6/35 9/12+18/35 9/36+6/35 45/12+6/35 9/12+30/35 9/60+6/35 63/12+6/35 9/12+42/35 9/84+6/35