Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/20 of 21/28?"
1220 × 2128 is 920.
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Related: 24/20×21/28 12/20×42/28 12/40×21/28 12/20×21/56 36/20×21/28 12/20×63/28 12/60×21/28 12/20×21/84 60/20×21/28 84/20×21/28
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