Solutions by everydaycalculation.com
1st number: 2 5/20, 2nd number: 16/20
4520 - 1620 is 2920.
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Related: 90/20-16/20 45/20-32/20 45/40-16/20 45/20-16/40 45/20-48/20 45/60-16/20 45/20-16/60 45/20-80/20
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