Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/21 of 7/40?"
721 × 740 is 7120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21×7/40 7/21×14/40 7/42×7/40 7/21×7/80 7/21×21/40 7/63×7/40 35/21×7/40 7/21×35/40 49/21×7/40 7/21×49/40
© everydaycalculation.com