Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/21 of 16/36?"
921 × 1636 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21×16/36 9/21×32/36 9/42×16/36 9/21×16/72 27/21×16/36 9/21×48/36 9/63×16/36 45/21×16/36 9/21×80/36 63/21×16/36
© everydaycalculation.com