Answers

Add 8/90 and 15/54

8/90 + 15/54 is 11/30.

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,
   8/90 = 8 × 3/90 × 3 = 24/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   15/54 = 15 × 5/54 × 5 = 75/270
4. Add the two like fractions:
   24/270 + 75/270 = 24 + 75/270 = 99/270
5. 99/270 simplified gives 11/30
6. So, 8/90 + 15/54 = 11/30

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