Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/90 of 54/80?"
4090 × 5480 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×54/80
© everydaycalculation.com