Answers

Add 3/84 and 72/27

1^st number: 3/84, 2^nd number: 2 18/27

3/84 + 72/27 is 227/84.

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,
   3/84 = 3 × 9/84 × 9 = 27/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   72/27 = 72 × 28/27 × 28 = 2016/756
4. Add the two like fractions:
   27/756 + 2016/756 = 27 + 2016/756 = 2043/756
5. 2043/756 simplified gives 227/84
6. So, 3/84 + 72/27 = 227/84
   In mixed form: 259/84

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