Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/21 of 42/81?"
621 × 4281 is 427.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21×42/81 6/21×84/81 6/42×42/81 18/21×42/81 6/63×42/81 30/21×42/81 42/21×42/81
© everydaycalculation.com