Add 6/21 and 49/63
6/21 + 49/63 is 67/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
6/21 = 6 × 3/21 × 3 = 18/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
49/63 = 49 × 1/63 × 1 = 49/63 - Add the two like fractions:
18/63 + 49/63 = 18 + 49/63 = 67/63 - So, 6/21 + 49/63 = 67/63
In mixed form: 14/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21+49/63 6/21+98/63 6/42+49/63 18/21+49/63 6/63+49/63 30/21+49/63 42/21+49/63