Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/45 of 21/60?"
545 × 2160 is 7180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45×21/60 5/45×42/60 5/90×21/60 15/45×21/60 5/45×63/60 25/45×21/60 35/45×21/60
© everydaycalculation.com