Answers

Subtract 25/21 from 18/21

1^st number: 18/21, 2^nd number: 1 4/21

18/21 - 25/21 is -1/3.

Steps for subtracting fractions

1. Subtract the two fractions:
   18/21 - 25/21 = 18 - 25/21 = -7/21
2. After reducing the fraction, the answer is -1/3

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