Answers

Add 90/25 and 9/60

1^st number: 3 15/25, 2^nd number: 9/60

90/25 + 9/60 is 15/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 60 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 60 × 5 = 300,
   9/60 = 9 × 5/60 × 5 = 45/300
4. Add the two like fractions:
   1080/300 + 45/300 = 1080 + 45/300 = 1125/300
5. 1125/300 simplified gives 15/4
6. So, 90/25 + 9/60 = 15/4
   In mixed form: 33/4

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