Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/80 of 63/90?"
1080 × 6390 is 780.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80×63/90 30/80×63/90 50/80×63/90 70/80×63/90
© everydaycalculation.com