Solutions by everydaycalculation.com
1st number: 3 3/6, 2nd number: 21/63
This multiplication involving fractions can also be rephrased as "What is 21/6 of 21/63?"
216 × 2163 is 76.
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Related: 42/6×21/63 21/6×42/63 21/12×21/63 63/6×21/63 21/18×21/63 21/30×21/63 21/42×21/63
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