Solutions by everydaycalculation.com
1st number: 1/90, 2nd number: 1 3/15
190 - 1815 is -10790.
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Related: 2/90-18/15 1/90-36/15 1/90-18/30 3/90-18/15 1/90-54/15 1/90-18/45 5/90-18/15 1/90-90/15 1/90-18/75 7/90-18/15
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