Answers

Subtract 30/20 from 21/20

1^st number: 1 1/20, 2^nd number: 1 10/20

21/20 - 30/20 is -9/20.

Steps for subtracting fractions

1. Subtract the two fractions:
   21/20 - 30/20 = 21 - 30/20 = -9/20

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