Answers

Subtract 50/90 from 81/54

1^st number: 1 27/54, 2^nd number: 50/90

81/54 - 50/90 is 17/18.

Steps for subtracting 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,
   81/54 = 81 × 5/54 × 5 = 405/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   50/90 = 50 × 3/90 × 3 = 150/270
4. Subtract the two like fractions:
   405/270 - 150/270 = 405 - 150/270 = 255/270
5. After reducing the fraction, the answer is 17/18

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