Answers

Subtract 54/18 from 81/75

1^st number: 1 6/75, 2^nd number: 3 0/18

81/75 - 54/18 is -48/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   81/75 = 81 × 6/75 × 6 = 486/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   54/18 = 54 × 25/18 × 25 = 1350/450
4. Subtract the two like fractions:
   486/450 - 1350/450 = 486 - 1350/450 = -864/450
5. After reducing the fraction, the answer is -48/25

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