Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/20 of 21/28?"
320 × 2128 is 980.
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Related: 6/20×21/28 3/20×42/28 3/40×21/28 3/20×21/56 9/20×21/28 3/20×63/28 3/60×21/28 3/20×21/84 15/20×21/28 21/20×21/28
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