Solutions by everydaycalculation.com
1st number: 5 0/4, 2nd number: 4/21
This multiplication involving fractions can also be rephrased as "What is 20/4 of 4/21?"
204 × 421 is 2021.
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Related: 40/4×4/21 20/4×8/21 20/8×4/21 20/4×4/42 60/4×4/21 20/4×12/21 20/12×4/21 20/4×4/63 20/4×20/21 20/4×28/21 20/28×4/21
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