Answers

Add 84/9 and 70/60

1^st number: 9 3/9, 2^nd number: 1 10/60

84/9 + 70/60 is 21/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 9 × 20 = 180,
   84/9 = 84 × 20/9 × 20 = 1680/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   70/60 = 70 × 3/60 × 3 = 210/180
4. Add the two like fractions:
   1680/180 + 210/180 = 1680 + 210/180 = 1890/180
5. 1890/180 simplified gives 21/2
6. So, 84/9 + 70/60 = 21/2
   In mixed form: 101/2

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