Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/90 of 20/45?"
490 × 2045 is 8405.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90×20/45 4/90×40/45 4/90×20/90 12/90×20/45 4/90×60/45 20/90×20/45 28/90×20/45
© everydaycalculation.com