Answers

Add 72/81 and 45/6

1^st number: 72/81, 2^nd number: 7 3/6

72/81 + 45/6 is 151/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 6 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 81 × 2 = 162,
   72/81 = 72 × 2/81 × 2 = 144/162
3. Likewise, for the 2nd fraction, since 6 × 27 = 162,
   45/6 = 45 × 27/6 × 27 = 1215/162
4. Add the two like fractions:
   144/162 + 1215/162 = 144 + 1215/162 = 1359/162
5. 1359/162 simplified gives 151/18
6. So, 72/81 + 45/6 = 151/18
   In mixed form: 87/18

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