Solutions by everydaycalculation.com
1st number: 6/20, 2nd number: 3 0/20
620 - 6020 is -2710.
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Related: 12/20-60/20 6/40-60/20 6/20-60/40 18/20-60/20 6/60-60/20 30/20-60/20 42/20-60/20
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