Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/36 of 9/21?"
2136 × 921 is 14.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36×9/21 21/36×18/21 21/72×9/21 21/36×9/42 63/36×9/21 21/36×27/21 21/36×9/63 21/36×45/21 21/36×63/21
© everydaycalculation.com