Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/21 of 45/90?"
121 × 4590 is 142.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21×45/90 1/42×45/90 3/21×45/90 1/63×45/90 5/21×45/90 7/21×45/90
© everydaycalculation.com