Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/70 of 7/10?"
3070 × 710 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70×7/10 30/70×14/10 30/70×7/20 90/70×7/10 30/70×21/10 30/70×7/30 30/70×35/10 30/70×7/50 30/70×49/10 30/70×7/70
© everydaycalculation.com