Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 8/42?"
821 × 842 is 32441.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×8/42 8/21×16/42 8/42×8/42 8/21×8/84 24/21×8/42 8/21×24/42 8/63×8/42 40/21×8/42 8/21×40/42 56/21×8/42 8/21×56/42
© everydaycalculation.com