Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/20 of 21/30?"
720 × 2130 is 49200.
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Related: 14/20×21/30 7/20×42/30 7/40×21/30 7/20×21/60 21/20×21/30 7/20×63/30 7/60×21/30 7/20×21/90 35/20×21/30 49/20×21/30
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