Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 16/21 of 15/25?"
1621 × 1525 is 1635.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21×15/25 16/21×30/25 16/42×15/25 16/21×15/50 48/21×15/25 16/21×45/25 16/63×15/25 16/21×15/75 80/21×15/25 16/21×75/25
© everydaycalculation.com