Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/80 of 12/63?"
1280 × 1263 is 135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/80×12/63 12/80×24/63 36/80×12/63 12/80×36/63 60/80×12/63 12/80×60/63 84/80×12/63 12/80×84/63
© everydaycalculation.com