Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 18/21 of 12/30?"
1821 × 1230 is 1235.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/21×12/30 18/21×24/30 18/42×12/30 18/21×12/60 54/21×12/30 18/21×36/30 18/63×12/30 18/21×12/90 90/21×12/30 18/21×60/30 18/21×84/30
© everydaycalculation.com