Answers

Subtract 40/21 from 90/21

1^st number: 4 6/21, 2^nd number: 1 19/21

90/21 - 40/21 is 50/21.

Steps for subtracting fractions

1. Subtract the two fractions:
   90/21 - 40/21 = 90 - 40/21 = 50/21
2. In mixed form: 28/21

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