Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/90 of 15/84?"
1590 × 1584 is 5168.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90×15/84 15/90×30/84 45/90×15/84 15/90×45/84 75/90×15/84 15/90×75/84
© everydaycalculation.com