Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/9 of 20/21?"
39 × 2021 is 2063.
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Related: 6/9×20/21 3/9×40/21 3/18×20/21 3/9×20/42 3/9×60/21 3/27×20/21 3/9×20/63 15/9×20/21 3/45×20/21 21/9×20/21 3/63×20/21
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