Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 45/84 of 21/27?"
4584 × 2127 is 512.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84×21/27 45/84×42/27 45/84×21/54 45/84×63/27 45/84×21/81
© everydaycalculation.com