Solutions by everydaycalculation.com
1st number: 1/30, 2nd number: 1 10/30
130 - 4030 is -1310.
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Related: 2/30-40/30 1/30-80/30 1/60-40/30 1/30-40/60 3/30-40/30 1/90-40/30 1/30-40/90 5/30-40/30 7/30-40/30
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