Answers

Add 56/18 and 42/84

1^st number: 3 2/18, 2^nd number: 42/84

56/18 + 42/84 is 65/18.

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,
   56/18 = 56 × 14/18 × 14 = 784/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   42/84 = 42 × 3/84 × 3 = 126/252
4. Add the two like fractions:
   784/252 + 126/252 = 784 + 126/252 = 910/252
5. 910/252 simplified gives 65/18
6. So, 56/18 + 42/84 = 65/18
   In mixed form: 311/18

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