Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/20 of 25/40?"
420 × 2540 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20×25/40 4/20×50/40 4/40×25/40 4/20×25/80 12/20×25/40 4/20×75/40 4/60×25/40 28/20×25/40
© everydaycalculation.com