Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 28/63?"
521 × 2863 is 20189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×28/63 5/21×56/63 5/42×28/63 15/21×28/63 5/21×84/63 5/63×28/63 25/21×28/63 35/21×28/63
© everydaycalculation.com