Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/15 of 40/42?"
715 × 4042 is 49.
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Related: 14/15×40/42 7/15×80/42 7/30×40/42 7/15×40/84 21/15×40/42 7/45×40/42 35/15×40/42 7/75×40/42 49/15×40/42
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