Solutions by everydaycalculation.com
1st number: 5 5/7, 2nd number: 16/63
This multiplication involving fractions can also be rephrased as "What is 40/7 of 16/63?"
407 × 1663 is 640441.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7×16/63 40/7×32/63 40/14×16/63 40/7×48/63 40/21×16/63 40/7×80/63 40/35×16/63 40/49×16/63
© everydaycalculation.com