Answers

Add 49/81 and 20/63

49/81 + 20/63 is 523/567.

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,
   49/81 = 49 × 7/81 × 7 = 343/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   20/63 = 20 × 9/63 × 9 = 180/567
4. Add the two like fractions:
   343/567 + 180/567 = 343 + 180/567 = 523/567
5. So, 49/81 + 20/63 = 523/567

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