Solutions by everydaycalculation.com
1st number: 9/20, 2nd number: 4 8/10
920 - 4810 is -8720.
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Related: 18/20-48/10 9/20-96/10 9/40-48/10 9/20-48/20 27/20-48/10 9/60-48/10 9/20-48/30 45/20-48/10 9/20-48/50 63/20-48/10 9/20-48/70
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