Solutions by everydaycalculation.com
1st number: 24/30, 2nd number: 1 19/30
2430 - 4930 is -56.
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Related: 48/30-49/30 24/30-98/30 24/60-49/30 24/30-49/60 72/30-49/30 24/90-49/30 24/30-49/90
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