Answers

Add 84/18 and 15/35

1^st number: 4 12/18, 2^nd number: 15/35

84/18 + 15/35 is 107/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 35 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 18 × 35 = 630,
   84/18 = 84 × 35/18 × 35 = 2940/630
3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
   15/35 = 15 × 18/35 × 18 = 270/630
4. Add the two like fractions:
   2940/630 + 270/630 = 2940 + 270/630 = 3210/630
5. 3210/630 simplified gives 107/21
6. So, 84/18 + 15/35 = 107/21
   In mixed form: 52/21

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