Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 16/81?"
621 × 1681 is 32567.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×16/81 6/21×32/81 6/42×16/81 18/21×16/81 6/21×48/81 6/63×16/81 30/21×16/81 6/21×80/81 42/21×16/81
© everydaycalculation.com