Solutions by everydaycalculation.com
1st number: 2/20, 2nd number: 1 16/20
220 - 3620 is -1710.
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Related: 4/20-36/20 2/20-72/20 2/40-36/20 2/20-36/40 6/20-36/20 2/60-36/20 2/20-36/60 10/20-36/20 14/20-36/20
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