Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/20 of 21/28?"
120 × 2128 is 380.
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Related: 2/20×21/28 1/20×42/28 1/40×21/28 1/20×21/56 3/20×21/28 1/20×63/28 1/60×21/28 1/20×21/84 5/20×21/28 7/20×21/28
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