Add 15/84 and 2/15
15/84 + 2/15 is 131/420.
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,
15/84 = 15 × 5/84 × 5 = 75/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
2/15 = 2 × 28/15 × 28 = 56/420 - Add the two like fractions:
75/420 + 56/420 = 75 + 56/420 = 131/420 - So, 15/84 + 2/15 = 131/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84+2/15 15/84+4/15 15/84+2/30 45/84+2/15 15/84+6/15 15/84+2/45 75/84+2/15 15/84+10/15 15/84+2/75 15/84+14/15