Add 56/9 and 1/21
1st number: 6 2/9, 2nd number: 1/21
56/9 + 1/21 is 395/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
56/9 = 56 × 7/9 × 7 = 392/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
1/21 = 1 × 3/21 × 3 = 3/63 - Add the two like fractions:
392/63 + 3/63 = 392 + 3/63 = 395/63 - So, 56/9 + 1/21 = 395/63
In mixed form: 617/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+2/21 56/18+1/21 56/9+1/42 56/9+3/21 56/27+1/21 56/9+1/63 56/9+5/21 56/45+1/21 56/9+7/21 56/63+1/21