Answers

Add 56/84 and 20/18

1^st number: 56/84, 2^nd number: 1 2/18

56/84 + 20/18 is 16/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   56/84 = 56 × 3/84 × 3 = 168/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   20/18 = 20 × 14/18 × 14 = 280/252
4. Add the two like fractions:
   168/252 + 280/252 = 168 + 280/252 = 448/252
5. 448/252 simplified gives 16/9
6. So, 56/84 + 20/18 = 16/9
   In mixed form: 17/9

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