Answers

Add 25/18 and 18/84

1^st number: 1 7/18, 2^nd number: 18/84

25/18 + 18/84 is 101/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   25/18 = 25 × 14/18 × 14 = 350/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   18/84 = 18 × 3/84 × 3 = 54/252
4. Add the two like fractions:
   350/252 + 54/252 = 350 + 54/252 = 404/252
5. 404/252 simplified gives 101/63
6. So, 25/18 + 18/84 = 101/63
   In mixed form: 138/63

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