Solutions by everydaycalculation.com
1st number: 7/30, 2nd number: 1 10/30
730 - 4030 is -1110.
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Related: 14/30-40/30 7/30-80/30 7/60-40/30 7/30-40/60 21/30-40/30 7/90-40/30 7/30-40/90 35/30-40/30 49/30-40/30
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