Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/30 of 18/30?"
2130 × 1830 is 2150.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30×18/30 21/30×36/30 21/60×18/30 21/30×18/60 63/30×18/30 21/30×54/30 21/90×18/30 21/30×18/90 21/30×90/30
© everydaycalculation.com