Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 9/12?"
821 × 912 is 27.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×9/12 8/21×18/12 8/42×9/12 8/21×9/24 24/21×9/12 8/21×27/12 8/63×9/12 8/21×9/36 40/21×9/12 8/21×45/12 8/21×9/60 56/21×9/12 8/21×63/12 8/21×9/84
© everydaycalculation.com