Solutions by everydaycalculation.com
1st number: 1 5/30, 2nd number: 2 8/10
3530 - 2810 is -4930.
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Related: 70/30-28/10 35/30-56/10 35/60-28/10 35/30-28/20 35/30-84/10 35/90-28/10 35/30-28/30 35/30-28/50 35/30-28/70
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