Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 25/40 of 15/90?"
2540 × 1590 is 548.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40×15/90 25/40×30/90 25/80×15/90 75/40×15/90 25/40×45/90 25/40×75/90
© everydaycalculation.com