Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/54 of 1/63?"
2154 × 163 is 1162.
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Related: 42/54×1/63 21/54×2/63 63/54×1/63 21/54×3/63 21/54×5/63 21/54×7/63
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