Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/90 of 12/70?"
4090 × 1270 is 8105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×12/70 40/90×24/70 40/90×36/70 40/90×60/70 40/90×84/70
© everydaycalculation.com