Solutions by everydaycalculation.com
1st number: 10 1/2, 2nd number: 4 0/21
This multiplication involving fractions can also be rephrased as "What is 21/2 of 4 0/21?"
212 × 8421 is 421.
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Related: 42/2×84/21 21/4×84/21 21/2×84/42 63/2×84/21 21/6×84/21 21/2×84/63 21/10×84/21 21/14×84/21
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