Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 15/20?"
1021 × 1520 is 514.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×15/20 10/21×30/20 10/42×15/20 10/21×15/40 30/21×15/20 10/21×45/20 10/63×15/20 10/21×15/60 50/21×15/20 10/21×75/20 70/21×15/20
© everydaycalculation.com