Answers

Add 21/84 and 10/8

1^st number: 21/84, 2^nd number: 1 2/8

21/84 + 10/8 is 3/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 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 8 × 21 = 168,
   10/8 = 10 × 21/8 × 21 = 210/168
4. Add the two like fractions:
   42/168 + 210/168 = 42 + 210/168 = 252/168
5. 252/168 simplified gives 3/2
6. So, 21/84 + 10/8 = 3/2
   In mixed form: 11/2

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