Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/81 of 10/90?"
781 × 1090 is 7729.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/81×10/90 7/81×20/90 21/81×10/90 7/81×30/90 35/81×10/90 7/81×50/90 49/81×10/90 7/81×70/90
© everydaycalculation.com