Solutions by everydaycalculation.com
1st number: 6 4/6, 2nd number: 6/21
This multiplication involving fractions can also be rephrased as "What is 40/6 of 6/21?"
406 × 621 is 4021.
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Related: 80/6×6/21 40/6×12/21 40/12×6/21 40/6×6/42 40/6×18/21 40/18×6/21 40/6×6/63 40/6×30/21 40/30×6/21 40/6×42/21 40/42×6/21
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