Answers

Add 70/18 and 45/81

1^st number: 3 16/18, 2^nd number: 45/81

70/18 + 45/81 is 40/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 18 × 9 = 162,
   70/18 = 70 × 9/18 × 9 = 630/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   45/81 = 45 × 2/81 × 2 = 90/162
4. Add the two like fractions:
   630/162 + 90/162 = 630 + 90/162 = 720/162
5. 720/162 simplified gives 40/9
6. So, 70/18 + 45/81 = 40/9
   In mixed form: 44/9

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