Answers

Subtract 27/84 from 14/90

14/90 - 27/84 is -209/1260.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   14/90 = 14 × 14/90 × 14 = 196/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   27/84 = 27 × 15/84 × 15 = 405/1260
4. Subtract the two like fractions:
   196/1260 - 405/1260 = 196 - 405/1260 = -209/1260

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