Solutions by everydaycalculation.com
1st number: 16 0/4, 2nd number: 4/72
This multiplication involving fractions can also be rephrased as "What is 64/4 of 4/72?"
644 × 472 is 89.
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Related: 64/4×8/72 64/8×4/72 64/4×12/72 64/12×4/72 64/4×20/72 64/20×4/72 64/4×28/72 64/28×4/72
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