Solutions by everydaycalculation.com
1st number: 16 0/4, 2nd number: 4/7
This multiplication involving fractions can also be rephrased as "What is 64/4 of 4/7?"
644 × 47 is 647.
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Related: 64/4×8/7 64/8×4/7 64/4×4/14 64/4×12/7 64/12×4/7 64/4×4/21 64/4×20/7 64/20×4/7 64/4×4/35 64/4×28/7 64/28×4/7 64/4×4/49
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