Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 25/60?"
521 × 2560 is 25252.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×25/60 5/21×50/60 5/42×25/60 15/21×25/60 5/21×75/60 5/63×25/60 25/21×25/60 35/21×25/60
© everydaycalculation.com