Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/21 of 6/63?"
1221 × 663 is 8147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×6/63 12/21×12/63 12/42×6/63 36/21×6/63 12/21×18/63 12/63×6/63 60/21×6/63 12/21×30/63 84/21×6/63 12/21×42/63
© everydaycalculation.com