Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/64 of 4/10?"
2164 × 410 is 21160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/64×4/10 21/64×8/10 21/64×4/20 63/64×4/10 21/64×12/10 21/64×4/30 21/64×20/10 21/64×4/50 21/64×28/10 21/64×4/70
© everydaycalculation.com