Solutions by everydaycalculation.com
1st number: 2 3/21, 2nd number: 20/80
This multiplication involving fractions can also be rephrased as "What is 45/21 of 20/80?"
4521 × 2080 is 1528.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21×20/80 45/21×40/80 45/42×20/80 45/21×60/80 45/63×20/80
© everydaycalculation.com