Answers

Add 56/63 and 3/81

56/63 + 3/81 is 25/27.

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,
   56/63 = 56 × 9/63 × 9 = 504/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   3/81 = 3 × 7/81 × 7 = 21/567
4. Add the two like fractions:
   504/567 + 21/567 = 504 + 21/567 = 525/567
5. 525/567 simplified gives 25/27
6. So, 56/63 + 3/81 = 25/27

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