Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/72 of 21/45?"
2872 × 2145 is 49270.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72×21/45 28/72×42/45 28/72×21/90 84/72×21/45 28/72×63/45
© everydaycalculation.com