Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/90 of 35/80?"
390 × 3580 is 7480.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90×35/80 3/90×70/80 9/90×35/80 15/90×35/80 21/90×35/80
© everydaycalculation.com