Solutions by everydaycalculation.com
1st number: 4 4/9, 2nd number: 4/21
This multiplication involving fractions can also be rephrased as "What is 40/9 of 4/21?"
409 × 421 is 160189.
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Related: 80/9×4/21 40/9×8/21 40/18×4/21 40/9×4/42 40/9×12/21 40/27×4/21 40/9×4/63 40/9×20/21 40/45×4/21 40/9×28/21 40/63×4/21
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