Solutions by everydaycalculation.com
1st number: 2/20, 2nd number: 1 4/20
220 - 2420 is -1110.
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Related: 4/20-24/20 2/20-48/20 2/40-24/20 2/20-24/40 6/20-24/20 2/20-72/20 2/60-24/20 2/20-24/60 10/20-24/20 14/20-24/20
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