Solutions by everydaycalculation.com
1st number: 6 4/6, 2nd number: 5 5/7
This multiplication involving fractions can also be rephrased as "What is 40/6 of 5 5/7?"
406 × 407 is 80021.
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Related: 80/6×40/7 40/6×80/7 40/12×40/7 40/6×40/14 40/18×40/7 40/6×40/21 40/30×40/7 40/6×40/35 40/42×40/7 40/6×40/49
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