Answers

Add 10/84 and 63/18

1^st number: 10/84, 2^nd number: 3 9/18

10/84 + 63/18 is 76/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   10/84 = 10 × 3/84 × 3 = 30/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   63/18 = 63 × 14/18 × 14 = 882/252
4. Add the two like fractions:
   30/252 + 882/252 = 30 + 882/252 = 912/252
5. 912/252 simplified gives 76/21
6. So, 10/84 + 63/18 = 76/21
   In mixed form: 313/21

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