Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 3/15?"
621 × 315 is 235.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×3/15 6/21×6/15 6/42×3/15 6/21×3/30 18/21×3/15 6/21×9/15 6/63×3/15 6/21×3/45 30/21×3/15 6/21×3/75 42/21×3/15 6/21×21/15
© everydaycalculation.com