Solutions by everydaycalculation.com
1st number: 2 5/20, 2nd number: 12/20
4520 - 1220 is 3320.
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Related: 90/20-12/20 45/20-24/20 45/40-12/20 45/20-12/40 45/20-36/20 45/60-12/20 45/20-12/60 45/20-60/20 45/20-84/20
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