Answers

Add 7/63 and 1/81

7/63 + 1/81 is 10/81.

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,
   7/63 = 7 × 9/63 × 9 = 63/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   1/81 = 1 × 7/81 × 7 = 7/567
4. Add the two like fractions:
   63/567 + 7/567 = 63 + 7/567 = 70/567
5. 70/567 simplified gives 10/81
6. So, 7/63 + 1/81 = 10/81

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