Answers

Subtract 18/14 from 27/40

1^st number: 27/40, 2^nd number: 1 4/14

27/40 - 18/14 is -171/280.

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,
   27/40 = 27 × 7/40 × 7 = 189/280
3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
   18/14 = 18 × 20/14 × 20 = 360/280
4. Subtract the two like fractions:
   189/280 - 360/280 = 189 - 360/280 = -171/280

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