Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/36 of 45/63?"
1236 × 4563 is 521.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36×45/63 12/36×90/63 12/72×45/63 60/36×45/63 84/36×45/63
© everydaycalculation.com