Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 36/63?"
1821 × 3663 is 2449.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×36/63 18/21×72/63 18/42×36/63 54/21×36/63 18/63×36/63 90/21×36/63
© everydaycalculation.com