Answers

Add 84/25 and 90/12

1^st number: 3 9/25, 2^nd number: 7 6/12

84/25 + 90/12 is 543/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 25 × 12 = 300,
   84/25 = 84 × 12/25 × 12 = 1008/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   90/12 = 90 × 25/12 × 25 = 2250/300
4. Add the two like fractions:
   1008/300 + 2250/300 = 1008 + 2250/300 = 3258/300
5. 3258/300 simplified gives 543/50
6. So, 84/25 + 90/12 = 543/50
   In mixed form: 1043/50

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