Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/40 of 50/90?"
2040 × 5090 is 518.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80×50/90 60/40×50/90
© everydaycalculation.com