Answers

Add 84/21 and 81/24

1^st number: 4 0/21, 2^nd number: 3 9/24

84/21 + 81/24 is 59/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   84/21 = 84 × 8/21 × 8 = 672/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   81/24 = 81 × 7/24 × 7 = 567/168
4. Add the two like fractions:
   672/168 + 567/168 = 672 + 567/168 = 1239/168
5. 1239/168 simplified gives 59/8
6. So, 84/21 + 81/24 = 59/8
   In mixed form: 73/8

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