Solutions by everydaycalculation.com
1st number: 3 0/10, 2nd number: 3 0/5
3010 - 155 is 01.
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Related: 60/10-15/5 30/10-30/5 30/20-15/5 30/10-15/10 90/10-15/5 30/10-45/5 30/10-75/5 30/50-15/5 30/10-15/25 30/70-15/5 30/10-15/35
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