Answers

Add 81/12 and 60/84

1^st number: 6 9/12, 2^nd number: 60/84

81/12 + 60/84 is 209/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   81/12 = 81 × 7/12 × 7 = 567/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   60/84 = 60 × 1/84 × 1 = 60/84
4. Add the two like fractions:
   567/84 + 60/84 = 567 + 60/84 = 627/84
5. 627/84 simplified gives 209/28
6. So, 81/12 + 60/84 = 209/28
   In mixed form: 713/28

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