Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/30 of 12/15?"
1030 × 1215 is 415.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30×12/15 10/30×24/15 10/60×12/15 10/30×12/30 10/30×36/15 10/90×12/15 10/30×12/45 50/30×12/15 10/30×60/15 10/30×12/75 70/30×12/15 10/30×84/15
© everydaycalculation.com