Answers

Add 45/25 and 25/90

1^st number: 1 20/25, 2^nd number: 25/90

45/25 + 25/90 is 187/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 25 × 18 = 450,
   45/25 = 45 × 18/25 × 18 = 810/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   25/90 = 25 × 5/90 × 5 = 125/450
4. Add the two like fractions:
   810/450 + 125/450 = 810 + 125/450 = 935/450
5. 935/450 simplified gives 187/90
6. So, 45/25 + 25/90 = 187/90
   In mixed form: 27/90

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