Solutions by everydaycalculation.com
1st number: 10 1/2, 2nd number: 6/80
This multiplication involving fractions can also be rephrased as "What is 21/2 of 6/80?"
212 × 680 is 6380.
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Related: 42/2×6/80 21/2×12/80 21/4×6/80 63/2×6/80 21/2×18/80 21/6×6/80 21/2×30/80 21/10×6/80 21/2×42/80 21/14×6/80
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