Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/10 of 21/45?"
810 × 2145 is 2875.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10×21/45 8/10×42/45 8/20×21/45 8/10×21/90 24/10×21/45 8/10×63/45 8/30×21/45 40/10×21/45 8/50×21/45 56/10×21/45 8/70×21/45
© everydaycalculation.com