Add 21/6 and 16/63
1st number: 3 3/6, 2nd number: 16/63
21/6 + 16/63 is 473/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
21/6 = 21 × 21/6 × 21 = 441/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
16/63 = 16 × 2/63 × 2 = 32/126 - Add the two like fractions:
441/126 + 32/126 = 441 + 32/126 = 473/126 - So, 21/6 + 16/63 = 473/126
In mixed form: 395/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+16/63 21/6+32/63 21/12+16/63 63/6+16/63 21/6+48/63 21/18+16/63 21/6+80/63 21/30+16/63 21/42+16/63