Solutions by everydaycalculation.com
1st number: 16/18, 2nd number: 2 14/18
1618 - 5018 is -179.
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Related: 32/18-50/18 16/36-50/18 16/18-50/36 48/18-50/18 16/54-50/18 16/18-50/54 80/18-50/18 16/90-50/18 16/18-50/90
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