Solutions by everydaycalculation.com
1st number: 12/20, 2nd number: 3 10/20
1220 - 7020 is -2910.
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Related: 24/20-70/20 12/40-70/20 12/20-70/40 36/20-70/20 12/60-70/20 12/20-70/60 60/20-70/20 84/20-70/20
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