Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/5 of 21/42?"
35 × 2142 is 310.
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Related: 6/5×21/42 3/10×21/42 3/5×21/84 9/5×21/42 3/5×63/42 3/15×21/42 15/5×21/42 3/25×21/42 21/5×21/42 3/35×21/42
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