Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/21 of 12/35?"
1521 × 1235 is 1249.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21×12/35 15/21×24/35 15/42×12/35 15/21×12/70 45/21×12/35 15/21×36/35 15/63×12/35 75/21×12/35 15/21×60/35 15/21×84/35
© everydaycalculation.com