Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/12 of 12/21?"
312 × 1221 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12×12/21 3/12×24/21 3/24×12/21 3/12×12/42 9/12×12/21 3/12×36/21 3/36×12/21 3/12×12/63 15/12×12/21 3/12×60/21 3/60×12/21 21/12×12/21 3/12×84/21 3/84×12/21
© everydaycalculation.com