Solutions by everydaycalculation.com
1st number: 12 4/5, 2nd number: 5 5/7
This multiplication involving fractions can also be rephrased as "What is 64/5 of 5 5/7?"
645 × 407 is 5127.
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Related: 64/5×80/7 64/10×40/7 64/5×40/14 64/15×40/7 64/5×40/21 64/25×40/7 64/5×40/35 64/35×40/7 64/5×40/49
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