Add 6/15 and 63/84
6/15 + 63/84 is 23/20.
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,
6/15 = 6 × 28/15 × 28 = 168/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
63/84 = 63 × 5/84 × 5 = 315/420 - Add the two like fractions:
168/420 + 315/420 = 168 + 315/420 = 483/420 - 483/420 simplified gives 23/20
- So, 6/15 + 63/84 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+63/84 6/30+63/84 18/15+63/84 6/45+63/84 30/15+63/84 6/75+63/84 42/15+63/84