Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 16/20?"
621 × 1620 is 835.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×16/20 6/21×32/20 6/42×16/20 6/21×16/40 18/21×16/20 6/21×48/20 6/63×16/20 6/21×16/60 30/21×16/20 6/21×80/20 42/21×16/20
© everydaycalculation.com