Answers

Subtract 90/21 from 10/21

1^st number: 10/21, 2^nd number: 4 6/21

10/21 - 90/21 is -80/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   10/21 - 90/21 = 10 - 90/21 = -80/21

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