Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/70 of 12/21?"
2070 × 1221 is 849.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70×12/21 20/70×24/21 20/70×12/42 60/70×12/21 20/70×36/21 20/70×12/63 20/70×60/21 20/70×84/21
© everydaycalculation.com