Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/42 of 9/21?"
1242 × 921 is 649.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42×9/21 12/42×18/21 12/84×9/21 12/42×9/42 36/42×9/21 12/42×27/21 12/42×9/63 60/42×9/21 12/42×45/21 84/42×9/21 12/42×63/21
© everydaycalculation.com