Add 9/84 and 14/35
9/84 + 14/35 is 71/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
14/35 = 14 × 12/35 × 12 = 168/420 - Add the two like fractions:
45/420 + 168/420 = 45 + 168/420 = 213/420 - 213/420 simplified gives 71/140
- So, 9/84 + 14/35 = 71/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84+14/35 9/84+28/35 9/84+14/70 27/84+14/35 9/84+42/35 45/84+14/35 9/84+70/35 63/84+14/35 9/84+98/35