Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 3/15?"
2130 × 315 is 750.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×3/15 21/30×6/15 21/60×3/15 21/30×3/30 63/30×3/15 21/30×9/15 21/90×3/15 21/30×3/45 21/30×3/75 21/30×21/15
© everydaycalculation.com