Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/90 of 20/42?"
1090 × 2042 is 10189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90×20/42 10/90×40/42 10/90×20/84 30/90×20/42 10/90×60/42 50/90×20/42 70/90×20/42
© everydaycalculation.com