Solutions by everydaycalculation.com
1st number: 1/30, 2nd number: 2 10/15
130 - 4015 is -7930.
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Related: 2/30-40/15 1/30-80/15 1/60-40/15 1/30-40/30 3/30-40/15 1/90-40/15 1/30-40/45 5/30-40/15 1/30-40/75 7/30-40/15
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