Solutions by everydaycalculation.com
1st number: 7/20, 2nd number: 3 10/20
720 - 7020 is -6320.
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Related: 14/20-70/20 7/40-70/20 7/20-70/40 21/20-70/20 7/60-70/20 7/20-70/60 35/20-70/20 49/20-70/20
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