Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 15/45?"
2021 × 1545 is 2063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×15/45 20/21×30/45 20/42×15/45 20/21×15/90 60/21×15/45 20/63×15/45 20/21×75/45
© everydaycalculation.com