Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/80 of 8/9?"
1080 × 89 is 19.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80×8/9 10/80×16/9 10/80×8/18 30/80×8/9 10/80×24/9 10/80×8/27 50/80×8/9 10/80×40/9 10/80×8/45 70/80×8/9 10/80×56/9 10/80×8/63
© everydaycalculation.com