Solutions by everydaycalculation.com
1st number: 7/20, 2nd number: 2 2/20
720 - 4220 is -74.
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Related: 14/20-42/20 7/20-84/20 7/40-42/20 7/20-42/40 21/20-42/20 7/60-42/20 7/20-42/60 35/20-42/20 49/20-42/20
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