Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/49 of 25/90?"
2149 × 2590 is 542.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49×25/90 21/49×50/90 21/98×25/90 63/49×25/90 21/49×75/90
© everydaycalculation.com