Answers

Add 10/84 and 28/8

1^st number: 10/84, 2^nd number: 3 4/8

10/84 + 28/8 is 76/21.

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,
   10/84 = 10 × 2/84 × 2 = 20/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   28/8 = 28 × 21/8 × 21 = 588/168
4. Add the two like fractions:
   20/168 + 588/168 = 20 + 588/168 = 608/168
5. 608/168 simplified gives 76/21
6. So, 10/84 + 28/8 = 76/21
   In mixed form: 313/21

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