Answers

Add 84/45 and 18/35

1^st number: 1 39/45, 2^nd number: 18/35

84/45 + 18/35 is 50/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 35 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   84/45 = 84 × 7/45 × 7 = 588/315
3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
   18/35 = 18 × 9/35 × 9 = 162/315
4. Add the two like fractions:
   588/315 + 162/315 = 588 + 162/315 = 750/315
5. 750/315 simplified gives 50/21
6. So, 84/45 + 18/35 = 50/21
   In mixed form: 28/21

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