Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/24 of 9/80?"
2124 × 980 is 63640.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24×9/80 21/24×18/80 21/48×9/80 63/24×9/80 21/24×27/80 21/72×9/80 21/24×45/80 21/24×63/80
© everydaycalculation.com