Answers

Add 6/21 and 5/9

6/21 + 5/9 is 53/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   6/21 = 6 × 3/21 × 3 = 18/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   5/9 = 5 × 7/9 × 7 = 35/63
4. Add the two like fractions:
   18/63 + 35/63 = 18 + 35/63 = 53/63
5. So, 6/21 + 5/9 = 53/63

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