Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/54 of 21/40?"
954 × 2140 is 780.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/54×21/40 9/54×42/40 9/54×21/80 27/54×21/40 9/54×63/40 45/54×21/40 63/54×21/40
© everydaycalculation.com