Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 30/84?"
521 × 3084 is 25294.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×30/84 5/21×60/84 5/42×30/84 15/21×30/84 5/21×90/84 5/63×30/84 25/21×30/84 35/21×30/84
© everydaycalculation.com