Solutions by everydaycalculation.com
1st number: 8 0/5, 2nd number: 4/21
This multiplication involving fractions can also be rephrased as "What is 40/5 of 4/21?"
405 × 421 is 3221.
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Related: 80/5×4/21 40/5×8/21 40/10×4/21 40/5×4/42 40/5×12/21 40/15×4/21 40/5×4/63 40/5×20/21 40/25×4/21 40/5×28/21 40/35×4/21
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