Answers

Add 70/18 and 21/36

1^st number: 3 16/18, 2^nd number: 21/36

70/18 + 21/36 is 161/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 36 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   70/18 = 70 × 2/18 × 2 = 140/36
3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
   21/36 = 21 × 1/36 × 1 = 21/36
4. Add the two like fractions:
   140/36 + 21/36 = 140 + 21/36 = 161/36
5. So, 70/18 + 21/36 = 161/36
   In mixed form: 417/36

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