Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/40 of 7/21?"
640 × 721 is 120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40×7/21 6/40×14/21 6/80×7/21 6/40×7/42 18/40×7/21 6/40×7/63 30/40×7/21 6/40×35/21 42/40×7/21 6/40×49/21
© everydaycalculation.com