Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/84 of 9/21?"
684 × 921 is 398.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84×9/21 6/84×18/21 6/84×9/42 18/84×9/21 6/84×27/21 6/84×9/63 30/84×9/21 6/84×45/21 42/84×9/21 6/84×63/21
© everydaycalculation.com