Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/63 of 1/14?"
2163 × 114 is 142.
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Related: 42/63×1/14 21/63×2/14 21/63×1/28 21/63×3/14 21/63×1/42 21/63×5/14 21/63×1/70 21/63×7/14 21/63×1/98
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