Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/75 of 21/45?"
2075 × 2145 is 28225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75×21/45 20/75×42/45 20/75×21/90 60/75×21/45 20/75×63/45
© everydaycalculation.com