Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 9/15?"
2130 × 915 is 2150.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×9/15 21/30×18/15 21/60×9/15 21/30×9/30 63/30×9/15 21/30×27/15 21/90×9/15 21/30×9/45 21/30×45/15 21/30×9/75 21/30×63/15
© everydaycalculation.com