Answers

Subtract 81/24 from 14/18

1^st number: 14/18, 2^nd number: 3 9/24

14/18 - 81/24 is -187/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 24 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   14/18 = 14 × 4/18 × 4 = 56/72
3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
   81/24 = 81 × 3/24 × 3 = 243/72
4. Subtract the two like fractions:
   56/72 - 243/72 = 56 - 243/72 = -187/72

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