Solutions by everydaycalculation.com
1st number: 3 1/21, 2nd number: 8/15
This multiplication involving fractions can also be rephrased as "What is 64/21 of 8/15?"
6421 × 815 is 512315.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21×16/15 64/42×8/15 64/21×8/30 64/21×24/15 64/63×8/15 64/21×8/45 64/21×40/15 64/21×8/75 64/21×56/15
© everydaycalculation.com