Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 20/90
This multiplication involving fractions can also be rephrased as "What is 8/7 of 20/90?"
87 × 2090 is 1663.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7×20/90 8/7×40/90 8/14×20/90 24/7×20/90 8/7×60/90 8/21×20/90 40/7×20/90 8/35×20/90 56/7×20/90 8/49×20/90
© everydaycalculation.com