Solutions by everydaycalculation.com
1st number: 12 4/5, 2nd number: 12/21
This multiplication involving fractions can also be rephrased as "What is 64/5 of 12/21?"
645 × 1221 is 25635.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/5×24/21 64/10×12/21 64/5×12/42 64/5×36/21 64/15×12/21 64/5×12/63 64/5×60/21 64/25×12/21 64/5×84/21 64/35×12/21
© everydaycalculation.com