Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/28 of 21/35?"
728 × 2135 is 320.
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Related: 14/28×21/35 7/28×42/35 7/56×21/35 7/28×21/70 21/28×21/35 7/28×63/35 7/84×21/35 35/28×21/35 49/28×21/35
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