Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/80 of 1/90?"
1280 × 190 is 1600.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/80×1/90 12/80×2/90 36/80×1/90 12/80×3/90 60/80×1/90 12/80×5/90 84/80×1/90 12/80×7/90
© everydaycalculation.com