Answers

Add 10/84 and 90/9

1^st number: 10/84, 2^nd number: 10 0/9

10/84 + 90/9 is 425/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 9 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 9 × 28 = 252,
   90/9 = 90 × 28/9 × 28 = 2520/252
4. Add the two like fractions:
   30/252 + 2520/252 = 30 + 2520/252 = 2550/252
5. 2550/252 simplified gives 425/42
6. So, 10/84 + 90/9 = 425/42
   In mixed form: 105/42

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