Answers

Add 9/84 and 90/4

1^st number: 9/84, 2^nd number: 22 2/4

9/84 + 90/4 is 633/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 4 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 4 × 21 = 84,
   90/4 = 90 × 21/4 × 21 = 1890/84
4. Add the two like fractions:
   9/84 + 1890/84 = 9 + 1890/84 = 1899/84
5. 1899/84 simplified gives 633/28
6. So, 9/84 + 90/4 = 633/28
   In mixed form: 2217/28

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