Answers

Add 84/75 and 90/12

1^st number: 1 9/75, 2^nd number: 7 6/12

84/75 + 90/12 is 431/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   84/75 = 84 × 4/75 × 4 = 336/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   90/12 = 90 × 25/12 × 25 = 2250/300
4. Add the two like fractions:
   336/300 + 2250/300 = 336 + 2250/300 = 2586/300
5. 2586/300 simplified gives 431/50
6. So, 84/75 + 90/12 = 431/50
   In mixed form: 831/50

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