Subtract 30/42 from 12/42, Solve 12/42 - 30/42 as a fraction

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Subtract 30/42 from 12/42

12/42 - 30/42 is -3/7.

Steps for subtracting fractions

Subtract the two fractions:
12/42 - 30/42 = 12 - 30/42 = -18/42
After reducing the fraction, the answer is -3/7

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