Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/40 of 30/72?"
2040 × 3072 is 524.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40×60/72 20/80×30/72 60/40×30/72 20/40×90/72
© everydaycalculation.com