Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 16/36?"
1821 × 1636 is 821.
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Related: 36/21×16/36 18/21×32/36 18/42×16/36 18/21×16/72 54/21×16/36 18/21×48/36 18/63×16/36 90/21×16/36 18/21×80/36
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