Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/20 of 16/42?"
1020 × 1642 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×32/42 10/40×16/42 10/20×16/84 30/20×16/42 10/20×48/42 10/60×16/42 50/20×16/42 10/20×80/42 70/20×16/42
© everydaycalculation.com