Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 28/42?"
521 × 2842 is 1063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×28/42 5/21×56/42 5/42×28/42 5/21×28/84 15/21×28/42 5/21×84/42 5/63×28/42 25/21×28/42 35/21×28/42
© everydaycalculation.com