Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 20/80
This multiplication involving fractions can also be rephrased as "What is 21/20 of 20/80?"
2120 × 2080 is 2180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/20×20/80 21/20×40/80 21/40×20/80 63/20×20/80 21/20×60/80 21/60×20/80
© everydaycalculation.com