Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/60 of 20/45?"
1260 × 2045 is 445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60×20/45 12/60×40/45 12/60×20/90 36/60×20/45 12/60×60/45 84/60×20/45
© everydaycalculation.com