Answers

Subtract 27/21 from 20/21

1^st number: 20/21, 2^nd number: 1 6/21

20/21 - 27/21 is -1/3.

Steps for subtracting fractions

1. Subtract the two fractions:
   20/21 - 27/21 = 20 - 27/21 = -7/21
2. After reducing the fraction, the answer is -1/3

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