Answers

Add 28/25 and 54/90

1^st number: 1 3/25, 2^nd number: 54/90

28/25 + 54/90 is 43/25.

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,
   28/25 = 28 × 18/25 × 18 = 504/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   54/90 = 54 × 5/90 × 5 = 270/450
4. Add the two like fractions:
   504/450 + 270/450 = 504 + 270/450 = 774/450
5. 774/450 simplified gives 43/25
6. So, 28/25 + 54/90 = 43/25
   In mixed form: 118/25

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