Solutions by everydaycalculation.com
1st number: 16/30, 2nd number: 1 5/30
1630 - 3530 is -1930.
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Related: 32/30-35/30 16/30-70/30 16/60-35/30 16/30-35/60 48/30-35/30 16/90-35/30 16/30-35/90 80/30-35/30
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