Answers

Add 7/81 and 8/63

7/81 + 8/63 is 121/567.

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,
   7/81 = 7 × 7/81 × 7 = 49/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   8/63 = 8 × 9/63 × 9 = 72/567
4. Add the two like fractions:
   49/567 + 72/567 = 49 + 72/567 = 121/567
5. So, 7/81 + 8/63 = 121/567

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