Add 3/84 and 12/35
3/84 + 12/35 is 53/140.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
12/35 = 12 × 12/35 × 12 = 144/420 - Add the two like fractions:
15/420 + 144/420 = 15 + 144/420 = 159/420 - 159/420 simplified gives 53/140
- So, 3/84 + 12/35 = 53/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+12/35 3/84+24/35 3/84+12/70 9/84+12/35 3/84+36/35 15/84+12/35 3/84+60/35 21/84+12/35 3/84+84/35