Answers

Subtract 8/54 from 81/90

81/90 - 8/54 is 203/270.

Steps for subtracting 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,
   81/90 = 81 × 3/90 × 3 = 243/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   8/54 = 8 × 5/54 × 5 = 40/270
4. Subtract the two like fractions:
   243/270 - 40/270 = 243 - 40/270 = 203/270

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