Answers

Add 8/84 and 45/21

1^st number: 8/84, 2^nd number: 2 3/21

8/84 + 45/21 is 47/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   8/84 = 8 × 1/84 × 1 = 8/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   45/21 = 45 × 4/21 × 4 = 180/84
4. Add the two like fractions:
   8/84 + 180/84 = 8 + 180/84 = 188/84
5. 188/84 simplified gives 47/21
6. So, 8/84 + 45/21 = 47/21
   In mixed form: 25/21

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