Add 2/84 and 2/15
2/84 + 2/15 is 11/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
2/15 = 2 × 28/15 × 28 = 56/420 - Add the two like fractions:
10/420 + 56/420 = 10 + 56/420 = 66/420 - 66/420 simplified gives 11/70
- So, 2/84 + 2/15 = 11/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+2/15 2/84+4/15 2/84+2/30 6/84+2/15 2/84+6/15 2/84+2/45 10/84+2/15 2/84+10/15 2/84+2/75 14/84+2/15 2/84+14/15