Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 30/63?"
621 × 3063 is 20147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×30/63 6/21×60/63 6/42×30/63 18/21×30/63 6/21×90/63 6/63×30/63 30/21×30/63 42/21×30/63
© everydaycalculation.com