Answers

Subtract 54/40 from 18/50

1^st number: 18/50, 2^nd number: 1 14/40

18/50 - 54/40 is -99/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 40 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 50 × 4 = 200,
   18/50 = 18 × 4/50 × 4 = 72/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   54/40 = 54 × 5/40 × 5 = 270/200
4. Subtract the two like fractions:
   72/200 - 270/200 = 72 - 270/200 = -198/200
5. After reducing the fraction, the answer is -99/100

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