Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/90 of 30/42?"
2090 × 3042 is 1063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90×30/42 20/90×60/42 20/90×30/84 60/90×30/42 20/90×90/42
© everydaycalculation.com