Add 21/3 and 14/63
1st number: 7 0/3, 2nd number: 14/63
21/3 + 14/63 is 65/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
21/3 = 21 × 21/3 × 21 = 441/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
14/63 = 14 × 1/63 × 1 = 14/63 - Add the two like fractions:
441/63 + 14/63 = 441 + 14/63 = 455/63 - 455/63 simplified gives 65/9
- So, 21/3 + 14/63 = 65/9
In mixed form: 72/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+14/63 21/3+28/63 21/6+14/63 63/3+14/63 21/3+42/63 21/9+14/63 21/3+70/63 21/15+14/63 21/3+98/63