Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 28/70 of 7/10?"
2870 × 710 is 725.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70×7/10 28/70×14/10 28/70×7/20 84/70×7/10 28/70×21/10 28/70×7/30 28/70×35/10 28/70×7/50 28/70×49/10 28/70×7/70
© everydaycalculation.com