Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/21 of 12/70?"
421 × 1270 is 8245.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21×12/70 4/21×24/70 4/42×12/70 12/21×12/70 4/21×36/70 4/63×12/70 20/21×12/70 4/21×60/70 28/21×12/70 4/21×84/70
© everydaycalculation.com