Solutions by everydaycalculation.com
1st number: 20 0/2, 2nd number: 2 1/10
This multiplication involving fractions can also be rephrased as "What is 40/2 of 2 1/10?"
402 × 2110 is 421.
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Related: 80/2×21/10 40/2×42/10 40/4×21/10 40/2×21/20 40/2×63/10 40/6×21/10 40/2×21/30 40/10×21/10 40/2×21/50 40/14×21/10 40/2×21/70
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