Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/63 of 16/40?"
663 × 1640 is 4105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/63×16/40 6/63×32/40 6/63×16/80 18/63×16/40 6/63×48/40 30/63×16/40 6/63×80/40 42/63×16/40
© everydaycalculation.com