Solutions by everydaycalculation.com
1st number: 20 0/2, 2nd number: 5/21
This multiplication involving fractions can also be rephrased as "What is 40/2 of 5/21?"
402 × 521 is 10021.
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Related: 80/2×5/21 40/2×10/21 40/4×5/21 40/2×5/42 40/2×15/21 40/6×5/21 40/2×5/63 40/2×25/21 40/10×5/21 40/2×35/21 40/14×5/21
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