Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/45 of 56/70?"
2045 × 5670 is 1645.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45×56/70 20/90×56/70 60/45×56/70
© everydaycalculation.com