Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 50/70 of 15/90?"
5070 × 1590 is 542.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70×30/90 50/70×45/90 50/70×75/90
© everydaycalculation.com