Solutions by everydaycalculation.com
1st number: 1 2/4, 2nd number: 2 9/20
64 - 4920 is -1920.
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Related: 12/4-49/20 6/4-98/20 6/8-49/20 6/4-49/40 18/4-49/20 6/12-49/20 6/4-49/60 30/4-49/20 6/20-49/20 42/4-49/20 6/28-49/20
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