Answers

Subtract 21/20 from 30/20

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

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

Steps for subtracting fractions

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

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