Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 2/5 of 20/42?"
25 × 2042 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5×20/42 2/5×40/42 2/10×20/42 2/5×20/84 6/5×20/42 2/5×60/42 2/15×20/42 10/5×20/42 2/25×20/42 14/5×20/42 2/35×20/42
© everydaycalculation.com