Solutions by everydaycalculation.com
1st number: 4 1/5, 2nd number: 16/63
This multiplication involving fractions can also be rephrased as "What is 21/5 of 16/63?"
215 × 1663 is 1615.
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Related: 42/5×16/63 21/5×32/63 21/10×16/63 63/5×16/63 21/5×48/63 21/15×16/63 21/5×80/63 21/25×16/63 21/35×16/63
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