Answers

Subtract 30/20 from 28/20

1^st number: 1 8/20, 2^nd number: 1 10/20

28/20 - 30/20 is -1/10.

Steps for subtracting fractions

1. Subtract the two fractions:
   28/20 - 30/20 = 28 - 30/20 = -2/20
2. After reducing the fraction, the answer is -1/10

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