Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/60 of 20/40?"
1560 × 2040 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60×20/40 15/60×20/80 45/60×20/40 15/60×60/40 75/60×20/40
© everydaycalculation.com