Solutions by everydaycalculation.com
1st number: 27/30, 2nd number: 2 21/30
2730 - 8130 is -95.
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Related: 54/30-81/30 27/60-81/30 27/30-81/60 81/30-81/30 27/90-81/30 27/30-81/90
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