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