Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 2/10 of 7/21?"
210 × 721 is 115.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10×7/21 2/10×14/21 2/20×7/21 2/10×7/42 6/10×7/21 2/30×7/21 2/10×7/63 2/10×35/21 2/50×7/21 14/10×7/21 2/10×49/21 2/70×7/21
© everydaycalculation.com