Answers

Add 12/84 and 81/12

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

12/84 + 81/12 is 193/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   12/84 = 12 × 1/84 × 1 = 12/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   81/12 = 81 × 7/12 × 7 = 567/84
4. Add the two like fractions:
   12/84 + 567/84 = 12 + 567/84 = 579/84
5. 579/84 simplified gives 193/28
6. So, 12/84 + 81/12 = 193/28
   In mixed form: 625/28

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