Answers

Add 84/18 and 40/24

1^st number: 4 12/18, 2^nd number: 1 16/24

84/18 + 40/24 is 19/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 24 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   84/18 = 84 × 4/18 × 4 = 336/72
3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
   40/24 = 40 × 3/24 × 3 = 120/72
4. Add the two like fractions:
   336/72 + 120/72 = 336 + 120/72 = 456/72
5. 456/72 simplified gives 19/3
6. So, 84/18 + 40/24 = 19/3
   In mixed form: 61/3

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