Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/40 of 21/45?"
540 × 2145 is 7120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40×21/45 5/40×42/45 5/80×21/45 5/40×21/90 15/40×21/45 5/40×63/45 25/40×21/45 35/40×21/45
© everydaycalculation.com