Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 25/42 of 25/81?"
2542 × 2581 is 6253402.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42×25/81 25/42×50/81 25/84×25/81 75/42×25/81 25/42×75/81
© everydaycalculation.com