Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/80 of 5/40?"
1080 × 540 is 164.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80×5/40 10/80×10/40 10/80×5/80 30/80×5/40 10/80×15/40 50/80×5/40 10/80×25/40 70/80×5/40 10/80×35/40
© everydaycalculation.com