Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 10/12?"
2021 × 1012 is 5063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×10/12 20/21×20/12 20/42×10/12 20/21×10/24 60/21×10/12 20/21×30/12 20/63×10/12 20/21×10/36 20/21×50/12 20/21×10/60 20/21×70/12 20/21×10/84
© everydaycalculation.com