Solutions by everydaycalculation.com
1st number: 9 0/2, 2nd number: 20/90
This multiplication involving fractions can also be rephrased as "What is 18/2 of 20/90?"
182 × 2090 is 21.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2×20/90 18/2×40/90 18/4×20/90 54/2×20/90 18/2×60/90 18/6×20/90 90/2×20/90 18/10×20/90 18/14×20/90
© everydaycalculation.com