Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 28/80?"
821 × 2880 is 215.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×28/80 8/21×56/80 8/42×28/80 24/21×28/80 8/21×84/80 8/63×28/80 40/21×28/80 56/21×28/80
© everydaycalculation.com