Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/30 of 3/10?"
1530 × 310 is 320.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30×6/10 15/60×3/10 15/30×3/20 45/30×3/10 15/30×9/10 15/90×3/10 15/30×3/30 75/30×3/10 15/30×15/10 15/30×3/50 15/30×21/10 15/30×3/70
© everydaycalculation.com