Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/54 of 84/90?"
2154 × 8490 is 49135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54×84/90 63/54×84/90
© everydaycalculation.com