Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/60 of 3/90?"
1560 × 390 is 1120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60×3/90 15/60×6/90 45/60×3/90 15/60×9/90 75/60×3/90 15/60×15/90 15/60×21/90
© everydaycalculation.com