Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/10 of 10/90?"
710 × 1090 is 790.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10×10/90 7/10×20/90 7/20×10/90 21/10×10/90 7/10×30/90 7/30×10/90 35/10×10/90 7/10×50/90 7/50×10/90 49/10×10/90 7/10×70/90 7/70×10/90
© everydaycalculation.com