Answers

Add 81/18 and 70/9

1^st number: 4 9/18, 2^nd number: 7 7/9

81/18 + 70/9 is 221/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 9 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 18 × 1 = 18,
   81/18 = 81 × 1/18 × 1 = 81/18
3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
   70/9 = 70 × 2/9 × 2 = 140/18
4. Add the two like fractions:
   81/18 + 140/18 = 81 + 140/18 = 221/18
5. So, 81/18 + 70/9 = 221/18
   In mixed form: 125/18

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