Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/20 of 10/42?"
1020 × 1042 is 542.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×20/42 10/40×10/42 10/20×10/84 30/20×10/42 10/20×30/42 10/60×10/42 50/20×10/42 10/20×50/42 70/20×10/42 10/20×70/42
© everydaycalculation.com