Answers

Subtract 90/54 from 12/75

1^st number: 12/75, 2^nd number: 1 36/54

12/75 - 90/54 is -113/75.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 75 × 18 = 1350,
   12/75 = 12 × 18/75 × 18 = 216/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   90/54 = 90 × 25/54 × 25 = 2250/1350
4. Subtract the two like fractions:
   216/1350 - 2250/1350 = 216 - 2250/1350 = -2034/1350
5. After reducing the fraction, the answer is -113/75

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