Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/80 of 21/25?"
1080 × 2125 is 21200.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80×21/25 10/80×42/25 10/80×21/50 30/80×21/25 10/80×63/25 10/80×21/75 50/80×21/25 70/80×21/25
© everydaycalculation.com