Answers

Subtract 40/21 from 30/21

1^st number: 1 9/21, 2^nd number: 1 19/21

30/21 - 40/21 is -10/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   30/21 - 40/21 = 30 - 40/21 = -10/21

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