Solutions by everydaycalculation.com
1st number: 18/21, 2nd number: 8 1/6
1821 - 496 is -30742.
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Related: 36/21-49/6 18/21-98/6 18/42-49/6 18/21-49/12 54/21-49/6 18/63-49/6 18/21-49/18 90/21-49/6 18/21-49/30 18/21-49/42
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