Solutions by everydaycalculation.com
1st number: 16/42, 2nd number: 2 3/12
1642 - 2712 is -15784.
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Related: 32/42-27/12 16/42-54/12 16/84-27/12 16/42-27/24 48/42-27/12 16/42-81/12 16/42-27/36 80/42-27/12 16/42-27/60 16/42-27/84
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