Solutions by everydaycalculation.com
1st number: 15/20, 2nd number: 2 8/20
1520 - 4820 is -3320.
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Related: 30/20-48/20 15/20-96/20 15/40-48/20 15/20-48/40 45/20-48/20 15/60-48/20 15/20-48/60 75/20-48/20
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