Answers

Add 3/84 and 20/18

1^st number: 3/84, 2^nd number: 1 2/18

3/84 + 20/18 is 289/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
2. For the 1st fraction, since 84 × 3 = 252,
   3/84 = 3 × 3/84 × 3 = 9/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   20/18 = 20 × 14/18 × 14 = 280/252
4. Add the two fractions:
   9/252 + 280/252 = 9 + 280/252 = 289/252
5. In mixed form: 137/252

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