Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 5/64?"
2142 × 564 is 5128.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×10/64 21/84×5/64 63/42×5/64 21/42×15/64 21/42×25/64 21/42×35/64
© everydaycalculation.com