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