Answers

Add 25/90 and 28/54

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

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 90 × 3 = 270,
   25/90 = 25 × 3/90 × 3 = 75/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   28/54 = 28 × 5/54 × 5 = 140/270
4. Add the two like fractions:
   75/270 + 140/270 = 75 + 140/270 = 215/270
5. 215/270 simplified gives 43/54
6. So, 25/90 + 28/54 = 43/54

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