Answers

Add 4/81 and 9/63

4/81 + 9/63 is 109/567.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 63 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   4/81 = 4 × 7/81 × 7 = 28/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   9/63 = 9 × 9/63 × 9 = 81/567
4. Add the two like fractions:
   28/567 + 81/567 = 28 + 81/567 = 109/567
5. So, 4/81 + 9/63 = 109/567

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