Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 4 0/4
1812 - 164 is -52.
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Related: 36/12-16/4 18/12-32/4 18/24-16/4 18/12-16/8 54/12-16/4 18/12-48/4 18/36-16/4 18/12-16/12 90/12-16/4 18/12-80/4 18/60-16/4 18/12-16/20 18/84-16/4 18/12-16/28
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