Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/45 of 21/35?"
1545 × 2135 is 15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45×21/35 15/45×42/35 15/90×21/35 15/45×21/70 15/45×63/35 75/45×21/35
© everydaycalculation.com