Answers

Add 28/50 and 25/90

28/50 + 25/90 is 377/450.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   28/50 = 28 × 9/50 × 9 = 252/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   25/90 = 25 × 5/90 × 5 = 125/450
4. Add the two like fractions:
   252/450 + 125/450 = 252 + 125/450 = 377/450
5. So, 28/50 + 25/90 = 377/450

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