Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/24 of 12/30?"
1224 × 1230 is 15.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24×24/30 12/48×12/30 12/24×12/60 36/24×12/30 12/24×36/30 12/72×12/30 12/24×12/90 60/24×12/30 12/24×60/30 84/24×12/30 12/24×84/30
© everydaycalculation.com