Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/45 of 16/21?"
4245 × 1621 is 3245.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45×16/21 42/45×32/21 42/90×16/21 42/45×16/42 42/45×48/21 42/45×16/63 42/45×80/21
© everydaycalculation.com