Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/10 of 21/75?"
810 × 2175 is 28125.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10×21/75 8/10×42/75 8/20×21/75 24/10×21/75 8/10×63/75 8/30×21/75 40/10×21/75 8/50×21/75 56/10×21/75 8/70×21/75
© everydaycalculation.com