Answers

Add 9/84 and 15/7

1^st number: 9/84, 2^nd number: 2 1/7

9/84 + 15/7 is 9/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 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 7 × 12 = 84,
   15/7 = 15 × 12/7 × 12 = 180/84
4. Add the two like fractions:
   9/84 + 180/84 = 9 + 180/84 = 189/84
5. 189/84 simplified gives 9/4
6. So, 9/84 + 15/7 = 9/4
   In mixed form: 21/4

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