Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/20 of 21/81?"
920 × 2181 is 760.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20×21/81 9/20×42/81 9/40×21/81 27/20×21/81 9/20×63/81 9/60×21/81 45/20×21/81 63/20×21/81
© everydaycalculation.com