Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/36 of 21/40?"
336 × 2140 is 7160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36×21/40 3/36×42/40 3/72×21/40 3/36×21/80 9/36×21/40 3/36×63/40 15/36×21/40 21/36×21/40
© everydaycalculation.com