Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/45 of 40/63?"
4045 × 4063 is 320567.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45×40/63 40/45×80/63 40/90×40/63
© everydaycalculation.com