Answers

Add 12/81 and 7/63

12/81 + 7/63 is 7/27.

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,
   12/81 = 12 × 7/81 × 7 = 84/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   7/63 = 7 × 9/63 × 9 = 63/567
4. Add the two like fractions:
   84/567 + 63/567 = 84 + 63/567 = 147/567
5. 147/567 simplified gives 7/27
6. So, 12/81 + 7/63 = 7/27

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