Solutions by everydaycalculation.com
1st number: 27/30, 2nd number: 1 24/30
2730 - 5430 is -910.
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Related: 54/30-54/30 27/60-54/30 27/30-54/60 81/30-54/30 27/90-54/30 27/30-54/90
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