Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 25/80 of 12/81?"
2580 × 1281 is 5108.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80×12/81 25/80×24/81 75/80×12/81 25/80×36/81 25/80×60/81 25/80×84/81
© everydaycalculation.com