Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/21 of 64/70?"
421 × 6470 is 128735.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21×64/70 4/42×64/70 12/21×64/70 4/63×64/70 20/21×64/70 28/21×64/70
© everydaycalculation.com