Solutions by everydaycalculation.com
1st number: 10 0/4, 2nd number: 5/21
This multiplication involving fractions can also be rephrased as "What is 40/4 of 5/21?"
404 × 521 is 5021.
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Related: 80/4×5/21 40/4×10/21 40/8×5/21 40/4×5/42 40/4×15/21 40/12×5/21 40/4×5/63 40/4×25/21 40/20×5/21 40/4×35/21 40/28×5/21
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