Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/45 of 20/70?"
345 × 2070 is 2105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45×20/70 3/45×40/70 3/90×20/70 9/45×20/70 3/45×60/70 15/45×20/70 21/45×20/70
© everydaycalculation.com