Solutions by everydaycalculation.com
1st number: 6/60, 2nd number: 3 9/12
660 ÷ 4512 is 275.
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Related: 12/60÷45/12 6/60÷90/12 6/60÷45/24 18/60÷45/12 6/60÷45/36 30/60÷45/12 6/60÷45/60 42/60÷45/12 6/60÷45/84
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