Answers

Add 6/81 and 63/21

1^st number: 6/81, 2^nd number: 3 0/21

6/81 + 63/21 is 83/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 21 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   6/81 = 6 × 7/81 × 7 = 42/567
3. Likewise, for the 2nd fraction, since 21 × 27 = 567,
   63/21 = 63 × 27/21 × 27 = 1701/567
4. Add the two like fractions:
   42/567 + 1701/567 = 42 + 1701/567 = 1743/567
5. 1743/567 simplified gives 83/27
6. So, 6/81 + 63/21 = 83/27
   In mixed form: 32/27

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