Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/90 of 28/42?"
1290 × 2842 is 445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90×28/42 12/90×56/42 12/90×28/84 36/90×28/42 12/90×84/42 60/90×28/42 84/90×28/42
© everydaycalculation.com