Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/72 of 24/72?"
2172 × 2472 is 772.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/72×24/72 21/72×48/72 63/72×24/72
© everydaycalculation.com