Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 21/45?"
1021 × 2145 is 29.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×21/45 10/21×42/45 10/42×21/45 10/21×21/90 30/21×21/45 10/21×63/45 10/63×21/45 50/21×21/45 70/21×21/45
© everydaycalculation.com