Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/90 of 18/60?"
4090 × 1860 is 215.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×18/60 40/90×36/60 40/90×54/60 40/90×90/60
© everydaycalculation.com