Solutions by everydaycalculation.com
1st number: 1/90, 2nd number: 1 3/12
190 - 1512 is -223180.
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Related: 2/90-15/12 1/90-30/12 1/90-15/24 3/90-15/12 1/90-45/12 1/90-15/36 5/90-15/12 1/90-75/12 1/90-15/60 7/90-15/12 1/90-15/84
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