Solutions by everydaycalculation.com
1st number: 25/30, 2nd number: 1 19/30
2530 - 4930 is -45.
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Related: 50/30-49/30 25/30-98/30 25/60-49/30 25/30-49/60 75/30-49/30 25/90-49/30 25/30-49/90
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