Solutions by everydaycalculation.com
1st number: 20 0/4, 2nd number: 5/21
This multiplication involving fractions can also be rephrased as "What is 80/4 of 5/21?"
804 × 521 is 10021.
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Related: 80/4×10/21 80/8×5/21 80/4×5/42 80/4×15/21 80/12×5/21 80/4×5/63 80/4×25/21 80/20×5/21 80/4×35/21 80/28×5/21
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