Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/28 of 80/90?"
1228 × 8090 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28×80/90 12/56×80/90 36/28×80/90 12/84×80/90 60/28×80/90 84/28×80/90
© everydaycalculation.com