Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 9/70?"
521 × 970 is 398.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×9/70 5/21×18/70 5/42×9/70 15/21×9/70 5/21×27/70 5/63×9/70 25/21×9/70 5/21×45/70 35/21×9/70 5/21×63/70
© everydaycalculation.com