Solutions by everydaycalculation.com
1st number: 18/21, 2nd number: 3 8/9
1821 - 359 is -19163.
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Related: 36/21-35/9 18/21-70/9 18/42-35/9 18/21-35/18 54/21-35/9 18/63-35/9 18/21-35/27 90/21-35/9 18/21-35/45 18/21-35/63
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