Answers

Subtract 54/3 from 45/90

1^st number: 45/90, 2^nd number: 18 0/3

45/90 - 54/3 is -35/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 3 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   45/90 = 45 × 1/90 × 1 = 45/90
3. Likewise, for the 2nd fraction, since 3 × 30 = 90,
   54/3 = 54 × 30/3 × 30 = 1620/90
4. Subtract the two like fractions:
   45/90 - 1620/90 = 45 - 1620/90 = -1575/90
5. After reducing the fraction, the answer is -35/2

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