Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 80/90 of 18/40?"
8090 × 1840 is 25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×36/40 80/90×18/80 80/90×54/40 80/90×90/40
© everydaycalculation.com