Answers

Subtract 27/50 from 1/21

1/21 - 27/50 is -517/1050.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 50 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 21 × 50 = 1050,
   1/21 = 1 × 50/21 × 50 = 50/1050
3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
   27/50 = 27 × 21/50 × 21 = 567/1050
4. Subtract the two like fractions:
   50/1050 - 567/1050 = 50 - 567/1050 = -517/1050

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