Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/20 of 20/21?"
320 × 2021 is 17.
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Related: 6/20×20/21 3/20×40/21 3/40×20/21 3/20×20/42 9/20×20/21 3/20×60/21 3/60×20/21 3/20×20/63 15/20×20/21 21/20×20/21
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