Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 4/6?"
2163 × 46 is 29.
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Related: 42/63×4/6 21/63×8/6 21/63×4/12 21/63×12/6 21/63×4/18 21/63×20/6 21/63×4/30 21/63×28/6 21/63×4/42
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