Answers

Add 7/4 and 9/84

1^st number: 1 3/4, 2^nd number: 9/84

7/4 + 9/84 is 13/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   7/4 = 7 × 21/4 × 21 = 147/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   9/84 = 9 × 1/84 × 1 = 9/84
4. Add the two like fractions:
   147/84 + 9/84 = 147 + 9/84 = 156/84
5. 156/84 simplified gives 13/7
6. So, 7/4 + 9/84 = 13/7
   In mixed form: 16/7

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