Answers

Add 40/84 and 42/24

1^st number: 40/84, 2^nd number: 1 18/24

40/84 + 42/24 is 187/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   40/84 = 40 × 2/84 × 2 = 80/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   42/24 = 42 × 7/24 × 7 = 294/168
4. Add the two like fractions:
   80/168 + 294/168 = 80 + 294/168 = 374/168
5. 374/168 simplified gives 187/84
6. So, 40/84 + 42/24 = 187/84
   In mixed form: 219/84

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