Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/84 of 21/64?"
2184 × 2164 is 21256.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84×21/64 21/84×42/64 63/84×21/64 21/84×63/64
© everydaycalculation.com