Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/84 of 9/21?"
4284 × 921 is 314.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84×18/21 42/84×9/42 42/84×27/21 42/84×9/63 42/84×45/21 42/84×63/21
© everydaycalculation.com