Answers

Add 42/84 and 18/5

1^st number: 42/84, 2^nd number: 3 3/5

42/84 + 18/5 is 41/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   42/84 = 42 × 5/84 × 5 = 210/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   18/5 = 18 × 84/5 × 84 = 1512/420
4. Add the two like fractions:
   210/420 + 1512/420 = 210 + 1512/420 = 1722/420
5. 1722/420 simplified gives 41/10
6. So, 42/84 + 18/5 = 41/10
   In mixed form: 41/10

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