Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/70 of 12/63?"
2870 × 1263 is 8105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70×12/63 28/70×24/63 84/70×12/63 28/70×36/63 28/70×60/63 28/70×84/63
© everydaycalculation.com