Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/45 of 28/80?"
4045 × 2880 is 1445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45×28/80 40/45×56/80 40/90×28/80 40/45×84/80
© everydaycalculation.com