Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/21 of 21/60?"
721 × 2160 is 760.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21×21/60 7/21×42/60 7/42×21/60 7/21×63/60 7/63×21/60 35/21×21/60 49/21×21/60
© everydaycalculation.com