Solutions by everydaycalculation.com
1st number: 3 0/21, 2nd number: 6/45
This multiplication involving fractions can also be rephrased as "What is 63/21 of 6/45?"
6321 × 645 is 25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21×12/45 63/42×6/45 63/21×6/90 63/21×18/45 63/21×30/45 63/21×42/45
© everydaycalculation.com