Solutions by everydaycalculation.com
1st number: 12/20, 2nd number: 3 0/20
1220 - 6020 is -125.
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Related: 24/20-60/20 12/40-60/20 12/20-60/40 36/20-60/20 12/60-60/20 60/20-60/20 84/20-60/20
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