Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/15 of 6/63?"
615 × 663 is 4105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15×6/63 6/15×12/63 6/30×6/63 18/15×6/63 6/15×18/63 6/45×6/63 30/15×6/63 6/15×30/63 6/75×6/63 42/15×6/63 6/15×42/63
© everydaycalculation.com