Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/45 of 15/21?"
345 × 1521 is 121.
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Related: 6/45×15/21 3/45×30/21 3/90×15/21 3/45×15/42 9/45×15/21 3/45×45/21 3/45×15/63 15/45×15/21 3/45×75/21 21/45×15/21
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