Solutions by everydaycalculation.com
1st number: 16/18, 2nd number: 3 9/12
1618 - 4512 is -10336.
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Related: 32/18-45/12 16/18-90/12 16/36-45/12 16/18-45/24 48/18-45/12 16/54-45/12 16/18-45/36 80/18-45/12 16/90-45/12 16/18-45/60 16/18-45/84
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