Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 18/70?"
1821 × 1870 is 54245.
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Related: 36/21×18/70 18/21×36/70 18/42×18/70 54/21×18/70 18/21×54/70 18/63×18/70 90/21×18/70 18/21×90/70
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