Answers

Subtract 45/14 from 54/40

1^st number: 1 14/40, 2^nd number: 3 3/14

54/40 - 45/14 is -261/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 14 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   54/40 = 54 × 7/40 × 7 = 378/280
3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
   45/14 = 45 × 20/14 × 20 = 900/280
4. Subtract the two like fractions:
   378/280 - 900/280 = 378 - 900/280 = -522/280
5. After reducing the fraction, the answer is -261/140

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