Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/30 of 6/21?"
1530 × 621 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30×12/21 15/60×6/21 15/30×6/42 45/30×6/21 15/30×18/21 15/90×6/21 15/30×6/63 75/30×6/21 15/30×30/21 15/30×42/21
© everydaycalculation.com