Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/30 of 20/40?"
930 × 2040 is 320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30×20/40 9/60×20/40 9/30×20/80 27/30×20/40 9/30×60/40 9/90×20/40 45/30×20/40 63/30×20/40
© everydaycalculation.com