Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 12/36?"
821 × 1236 is 863.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×12/36 8/21×24/36 8/42×12/36 8/21×12/72 24/21×12/36 8/63×12/36 40/21×12/36 8/21×60/36 56/21×12/36 8/21×84/36
© everydaycalculation.com