Answers

Add 10/54 and 10/90

10/54 + 10/90 is 8/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   10/54 = 10 × 5/54 × 5 = 50/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   10/90 = 10 × 3/90 × 3 = 30/270
4. Add the two like fractions:
   50/270 + 30/270 = 50 + 30/270 = 80/270
5. 80/270 simplified gives 8/27
6. So, 10/54 + 10/90 = 8/27

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