Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/10 of 21/45?"
510 × 2145 is 730.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10×42/45 5/20×21/45 5/10×21/90 15/10×21/45 5/10×63/45 5/30×21/45 25/10×21/45 5/50×21/45 35/10×21/45 5/70×21/45
© everydaycalculation.com