Solutions by everydaycalculation.com
1st number: 6/20, 2nd number: 2 9/20
620 - 4920 is -4320.
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Related: 12/20-49/20 6/20-98/20 6/40-49/20 6/20-49/40 18/20-49/20 6/60-49/20 6/20-49/60 30/20-49/20 42/20-49/20
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