Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 9/18?"
1221 × 918 is 27.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×9/18 12/42×9/18 12/21×9/36 36/21×9/18 12/21×27/18 12/63×9/18 12/21×9/54 60/21×9/18 12/21×45/18 12/21×9/90 84/21×9/18 12/21×63/18
© everydaycalculation.com