Answers

Add 56/21 and 6/81

1^st number: 2 14/21, 2^nd number: 6/81

56/21 + 6/81 is 74/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 21 × 27 = 567,
   56/21 = 56 × 27/21 × 27 = 1512/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   6/81 = 6 × 7/81 × 7 = 42/567
4. Add the two like fractions:
   1512/567 + 42/567 = 1512 + 42/567 = 1554/567
5. 1554/567 simplified gives 74/27
6. So, 56/21 + 6/81 = 74/27
   In mixed form: 220/27

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