Answers

Add 90/25 and 70/12

1^st number: 3 15/25, 2^nd number: 5 10/12

90/25 + 70/12 is 283/30.

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,
   70/12 = 70 × 25/12 × 25 = 1750/300
4. Add the two like fractions:
   1080/300 + 1750/300 = 1080 + 1750/300 = 2830/300
5. 2830/300 simplified gives 283/30
6. So, 90/25 + 70/12 = 283/30
   In mixed form: 913/30

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