Solutions by everydaycalculation.com
1st number: 9/30, 2nd number: 2 4/18
930 - 4018 is -17390.
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Related: 18/30-40/18 9/30-80/18 9/60-40/18 9/30-40/36 27/30-40/18 9/90-40/18 9/30-40/54 45/30-40/18 9/30-40/90 63/30-40/18
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