Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/70 of 6/7?"
2170 × 67 is 935.
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Related: 42/70×6/7 21/70×12/7 21/70×6/14 63/70×6/7 21/70×18/7 21/70×6/21 21/70×30/7 21/70×6/35 21/70×42/7 21/70×6/49
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