Answers

Add 4/90 and 98/25

1^st number: 4/90, 2^nd number: 3 23/25

4/90 + 98/25 is 892/225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 25 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   4/90 = 4 × 5/90 × 5 = 20/450
3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
   98/25 = 98 × 18/25 × 18 = 1764/450
4. Add the two like fractions:
   20/450 + 1764/450 = 20 + 1764/450 = 1784/450
5. 1784/450 simplified gives 892/225
6. So, 4/90 + 98/25 = 892/225
   In mixed form: 3217/225

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