Add 14/15 and 27/84
14/15 + 27/84 is 527/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
14/15 = 14 × 28/15 × 28 = 392/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
27/84 = 27 × 5/84 × 5 = 135/420 - Add the two like fractions:
392/420 + 135/420 = 392 + 135/420 = 527/420 - So, 14/15 + 27/84 = 527/420
In mixed form: 1107/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15+27/84 14/15+54/84 14/30+27/84 42/15+27/84 14/15+81/84 14/45+27/84 70/15+27/84 14/75+27/84 98/15+27/84