Answers

Add 70/9 and 90/84

1^st number: 7 7/9, 2^nd number: 1 6/84

70/9 + 90/84 is 1115/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 9 × 28 = 252,
   70/9 = 70 × 28/9 × 28 = 1960/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   90/84 = 90 × 3/84 × 3 = 270/252
4. Add the two like fractions:
   1960/252 + 270/252 = 1960 + 270/252 = 2230/252
5. 2230/252 simplified gives 1115/126
6. So, 70/9 + 90/84 = 1115/126
   In mixed form: 8107/126

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