Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/40 of 4/36?"
2140 × 436 is 7120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/40×4/36 21/40×8/36 21/80×4/36 21/40×4/72 63/40×4/36 21/40×12/36 21/40×20/36 21/40×28/36
© everydaycalculation.com