Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/10 of 9/21?"
410 × 921 is 635.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10×9/21 4/10×18/21 4/20×9/21 4/10×9/42 12/10×9/21 4/10×27/21 4/30×9/21 4/10×9/63 20/10×9/21 4/10×45/21 4/50×9/21 28/10×9/21 4/10×63/21 4/70×9/21
© everydaycalculation.com