Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/20 of 18/21?"
520 × 1821 is 314.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×18/21 5/20×36/21 5/40×18/21 5/20×18/42 15/20×18/21 5/20×54/21 5/60×18/21 5/20×18/63 25/20×18/21 5/20×90/21 35/20×18/21
© everydaycalculation.com