Solutions by everydaycalculation.com
1st number: 16/42, 2nd number: 1 3/42
1642 - 4542 is -2942.
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Related: 32/42-45/42 16/42-90/42 16/84-45/42 16/42-45/84 48/42-45/42 80/42-45/42
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