Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/21 of 4/5?"
1521 × 45 is 47.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21×4/5 15/21×8/5 15/42×4/5 15/21×4/10 45/21×4/5 15/21×12/5 15/63×4/5 15/21×4/15 75/21×4/5 15/21×20/5 15/21×4/25 15/21×28/5 15/21×4/35
© everydaycalculation.com