Answers

Add 90/12 and 81/75

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

90/12 + 81/75 is 429/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 12 × 25 = 300,
   90/12 = 90 × 25/12 × 25 = 2250/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   81/75 = 81 × 4/75 × 4 = 324/300
4. Add the two like fractions:
   2250/300 + 324/300 = 2250 + 324/300 = 2574/300
5. 2574/300 simplified gives 429/50
6. So, 90/12 + 81/75 = 429/50
   In mixed form: 829/50

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