Solutions by everydaycalculation.com
1st number: 18/21, 2nd number: 1 1/6
1821 - 76 is -1342.
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Related: 36/21-7/6 18/21-14/6 18/42-7/6 18/21-7/12 54/21-7/6 18/21-21/6 18/63-7/6 18/21-7/18 90/21-7/6 18/21-35/6 18/21-7/30 18/21-49/6 18/21-7/42
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