Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 30/90?"
821 × 3090 is 863.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×30/90 8/21×60/90 8/42×30/90 24/21×30/90 8/63×30/90 40/21×30/90 56/21×30/90
© everydaycalculation.com