Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 18/27?"
1821 × 1827 is 47.
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Related: 36/21×18/27 18/21×36/27 18/42×18/27 18/21×18/54 54/21×18/27 18/21×54/27 18/63×18/27 18/21×18/81 90/21×18/27 18/21×90/27
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