Answers

Add 72/84 and 5/27

72/84 + 5/27 is 197/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   72/84 = 72 × 9/84 × 9 = 648/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   5/27 = 5 × 28/27 × 28 = 140/756
4. Add the two like fractions:
   648/756 + 140/756 = 648 + 140/756 = 788/756
5. 788/756 simplified gives 197/189
6. So, 72/84 + 5/27 = 197/189
   In mixed form: 18/189

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