Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/45 of 21/60?"
2845 × 2160 is 49225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45×21/60 28/45×42/60 28/90×21/60 84/45×21/60 28/45×63/60
© everydaycalculation.com