Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/90 of 21/36?"
1590 × 2136 is 772.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90×21/36 15/90×42/36 15/90×21/72 45/90×21/36 15/90×63/36 75/90×21/36
© everydaycalculation.com