Solutions by everydaycalculation.com
1st number: 20 0/2, 2nd number: 4/21
This multiplication involving fractions can also be rephrased as "What is 40/2 of 4/21?"
402 × 421 is 8021.
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Related: 80/2×4/21 40/2×8/21 40/4×4/21 40/2×4/42 40/2×12/21 40/6×4/21 40/2×4/63 40/2×20/21 40/10×4/21 40/2×28/21 40/14×4/21
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