Answers

Add 60/90 and 84/12

1^st number: 60/90, 2^nd number: 7 0/12

60/90 + 84/12 is 23/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 12 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   60/90 = 60 × 2/90 × 2 = 120/180
3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
   84/12 = 84 × 15/12 × 15 = 1260/180
4. Add the two like fractions:
   120/180 + 1260/180 = 120 + 1260/180 = 1380/180
5. 1380/180 simplified gives 23/3
6. So, 60/90 + 84/12 = 23/3
   In mixed form: 72/3

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