Solutions by everydaycalculation.com
1st number: 10 0/4, 2nd number: 16/20
This multiplication involving fractions can also be rephrased as "What is 40/4 of 16/20?"
404 × 1620 is 81.
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Related: 80/4×16/20 40/4×32/20 40/8×16/20 40/4×16/40 40/4×48/20 40/12×16/20 40/4×16/60 40/4×80/20 40/20×16/20 40/28×16/20
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