Answers

Add 30/63 and 28/81

30/63 + 28/81 is 466/567.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 63 × 9 = 567,
   30/63 = 30 × 9/63 × 9 = 270/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   28/81 = 28 × 7/81 × 7 = 196/567
4. Add the two like fractions:
   270/567 + 196/567 = 270 + 196/567 = 466/567
5. So, 30/63 + 28/81 = 466/567

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