Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/45 of 21/30?"
945 × 2130 is 750.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45×21/30 9/45×42/30 9/90×21/30 9/45×21/60 27/45×21/30 9/45×63/30 9/45×21/90 63/45×21/30
© everydaycalculation.com