Answers

Subtract 90/84 from 18/84

1^st number: 18/84, 2^nd number: 1 6/84

18/84 - 90/84 is -6/7.

Steps for subtracting fractions

1. Subtract the two fractions:
   18/84 - 90/84 = 18 - 90/84 = -72/84
2. After reducing the fraction, the answer is -6/7

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