Answers

Add 21/84 and 45/24

1^st number: 21/84, 2^nd number: 1 21/24

21/84 + 45/24 is 17/8.

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,
   21/84 = 21 × 2/84 × 2 = 42/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   45/24 = 45 × 7/24 × 7 = 315/168
4. Add the two like fractions:
   42/168 + 315/168 = 42 + 315/168 = 357/168
5. 357/168 simplified gives 17/8
6. So, 21/84 + 45/24 = 17/8
   In mixed form: 21/8

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