Solutions by everydaycalculation.com
1st number: 20 0/2, 2nd number: 9/21
This multiplication involving fractions can also be rephrased as "What is 40/2 of 9/21?"
402 × 921 is 607.
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Related: 80/2×9/21 40/2×18/21 40/4×9/21 40/2×9/42 40/2×27/21 40/6×9/21 40/2×9/63 40/2×45/21 40/10×9/21 40/2×63/21 40/14×9/21
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