Solutions by everydaycalculation.com
1st number: 4/30, 2nd number: 2 21/30
430 - 8130 is -7730.
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Related: 8/30-81/30 4/60-81/30 4/30-81/60 12/30-81/30 4/90-81/30 4/30-81/90 20/30-81/30 28/30-81/30
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