Solutions by everydaycalculation.com
1st number: 1 20/30, 2nd number: 1/30
5030 - 130 is 4930.
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Related: 50/30-2/30 50/60-1/30 50/30-1/60 50/30-3/30 50/90-1/30 50/30-1/90 50/30-5/30 50/30-7/30
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