Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/15 of 9/21?"
315 × 921 is 335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15×9/21 3/15×18/21 3/30×9/21 3/15×9/42 9/15×9/21 3/15×27/21 3/45×9/21 3/15×9/63 3/15×45/21 3/75×9/21 21/15×9/21 3/15×63/21
© everydaycalculation.com