Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/20 of 45/81?"
520 × 4581 is 536.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×45/81 5/20×90/81 5/40×45/81 15/20×45/81 5/60×45/81 25/20×45/81 35/20×45/81
© everydaycalculation.com