Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/15 of 3/21?"
915 × 321 is 335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15×3/21 9/15×6/21 9/30×3/21 9/15×3/42 27/15×3/21 9/15×9/21 9/45×3/21 9/15×3/63 45/15×3/21 9/15×15/21 9/75×3/21 63/15×3/21
© everydaycalculation.com