Solutions by everydaycalculation.com
1st number: 20/30, 2nd number: 1 24/30
2030 - 5430 is -1715.
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Related: 40/30-54/30 20/60-54/30 20/30-54/60 60/30-54/30 20/90-54/30 20/30-54/90
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