Solutions by everydaycalculation.com
1st number: 8 0/5, 2nd number: 16/21
This multiplication involving fractions can also be rephrased as "What is 40/5 of 16/21?"
405 × 1621 is 12821.
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Related: 80/5×16/21 40/5×32/21 40/10×16/21 40/5×16/42 40/5×48/21 40/15×16/21 40/5×16/63 40/5×80/21 40/25×16/21 40/35×16/21
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