Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/60 of 15/90?"
660 × 1590 is 160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60×15/90 6/60×30/90 18/60×15/90 6/60×45/90 30/60×15/90 6/60×75/90 42/60×15/90
© everydaycalculation.com