Solutions by everydaycalculation.com
1st number: 21 1/3, 2nd number: 6/42
This multiplication involving fractions can also be rephrased as "What is 64/3 of 6/42?"
643 × 642 is 6421.
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Related: 64/3×12/42 64/6×6/42 64/3×6/84 64/3×18/42 64/9×6/42 64/3×30/42 64/15×6/42 64/21×6/42
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