Answers

Add 45/18 and 90/84

1^st number: 2 9/18, 2^nd number: 1 6/84

45/18 + 90/84 is 25/7.

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,
   45/18 = 45 × 14/18 × 14 = 630/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   90/84 = 90 × 3/84 × 3 = 270/252
4. Add the two like fractions:
   630/252 + 270/252 = 630 + 270/252 = 900/252
5. 900/252 simplified gives 25/7
6. So, 45/18 + 90/84 = 25/7
   In mixed form: 34/7

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