Answers

Add 90/25 and 90/12

1^st number: 3 15/25, 2^nd number: 7 6/12

90/25 + 90/12 is 111/10.

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,
   90/25 = 90 × 12/25 × 12 = 1080/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   90/12 = 90 × 25/12 × 25 = 2250/300
4. Add the two like fractions:
   1080/300 + 2250/300 = 1080 + 2250/300 = 3330/300
5. 3330/300 simplified gives 111/10
6. So, 90/25 + 90/12 = 111/10
   In mixed form: 111/10

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