Solutions by everydaycalculation.com
1st number: 20 0/2, 2nd number: 9 1/7
This multiplication involving fractions can also be rephrased as "What is 40/2 of 9 1/7?"
402 × 647 is 12807.
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Related: 80/2×64/7 40/4×64/7 40/2×64/14 40/6×64/7 40/2×64/21 40/10×64/7 40/2×64/35 40/14×64/7 40/2×64/49
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