Answers

Add 90/12 and 80/75

1^st number: 7 6/12, 2^nd number: 1 5/75

90/12 + 80/75 is 257/30.

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,
   80/75 = 80 × 4/75 × 4 = 320/300
4. Add the two like fractions:
   2250/300 + 320/300 = 2250 + 320/300 = 2570/300
5. 2570/300 simplified gives 257/30
6. So, 90/12 + 80/75 = 257/30
   In mixed form: 817/30

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