Answers

Add 84/64 and 6/27

1^st number: 1 20/64, 2^nd number: 6/27

84/64 + 6/27 is 221/144.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 27 is 1728
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1728
2. For the 1st fraction, since 64 × 27 = 1728,
   84/64 = 84 × 27/64 × 27 = 2268/1728
3. Likewise, for the 2nd fraction, since 27 × 64 = 1728,
   6/27 = 6 × 64/27 × 64 = 384/1728
4. Add the two like fractions:
   2268/1728 + 384/1728 = 2268 + 384/1728 = 2652/1728
5. 2652/1728 simplified gives 221/144
6. So, 84/64 + 6/27 = 221/144
   In mixed form: 177/144

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