Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 12/45?"
521 × 1245 is 463.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×12/45 5/21×24/45 5/42×12/45 5/21×12/90 15/21×12/45 5/21×36/45 5/63×12/45 25/21×12/45 5/21×60/45 35/21×12/45 5/21×84/45
© everydaycalculation.com