Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/90 of 20/63?"
1290 × 2063 is 8189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90×20/63 12/90×40/63 36/90×20/63 12/90×60/63 60/90×20/63 84/90×20/63
© everydaycalculation.com