Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/20 of 21/60?"
1020 × 2160 is 740.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20×42/60 10/40×21/60 30/20×21/60 10/20×63/60 10/60×21/60 50/20×21/60 70/20×21/60
© everydaycalculation.com