Answers

Add 9/84 and 72/14

1^st number: 9/84, 2^nd number: 5 2/14

9/84 + 72/14 is 21/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   9/84 = 9 × 1/84 × 1 = 9/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   72/14 = 72 × 6/14 × 6 = 432/84
4. Add the two like fractions:
   9/84 + 432/84 = 9 + 432/84 = 441/84
5. 441/84 simplified gives 21/4
6. So, 9/84 + 72/14 = 21/4
   In mixed form: 51/4

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