Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/84 of 9/45?"
2184 × 945 is 120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84×9/45 21/84×18/45 21/84×9/90 63/84×9/45 21/84×27/45 21/84×63/45
© everydaycalculation.com