Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/21 of 35/80?"
921 × 3580 is 316.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21×35/80 9/21×70/80 9/42×35/80 27/21×35/80 9/63×35/80 45/21×35/80 63/21×35/80
© everydaycalculation.com