Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 7/10?"
821 × 710 is 415.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×7/10 8/21×14/10 8/42×7/10 8/21×7/20 24/21×7/10 8/21×21/10 8/63×7/10 8/21×7/30 40/21×7/10 8/21×35/10 8/21×7/50 56/21×7/10 8/21×49/10 8/21×7/70
© everydaycalculation.com