Answers

Add 36/7 and 72/81

1^st number: 5 1/7, 2^nd number: 72/81

36/7 + 72/81 is 380/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 7 × 81 = 567,
   36/7 = 36 × 81/7 × 81 = 2916/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   72/81 = 72 × 7/81 × 7 = 504/567
4. Add the two like fractions:
   2916/567 + 504/567 = 2916 + 504/567 = 3420/567
5. 3420/567 simplified gives 380/63
6. So, 36/7 + 72/81 = 380/63
   In mixed form: 62/63

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