Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/21 of 15/45?"
921 × 1545 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21×15/45 9/21×30/45 9/42×15/45 9/21×15/90 27/21×15/45 9/63×15/45 45/21×15/45 9/21×75/45 63/21×15/45
© everydaycalculation.com