Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/60 of 15/81?"
1260 × 1581 is 127.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60×15/81 12/60×30/81 36/60×15/81 12/60×45/81 12/60×75/81 84/60×15/81
© everydaycalculation.com