Solutions by everydaycalculation.com
1st number: 2 0/30, 2nd number: 10/30
6030 - 1030 is 53.
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Related: 60/30-20/30 60/30-10/60 60/90-10/30 60/30-10/90 60/30-50/30 60/30-70/30
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