Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/90 of 6/21?"
990 × 621 is 135.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90×6/21 9/90×12/21 9/90×6/42 27/90×6/21 9/90×18/21 9/90×6/63 45/90×6/21 9/90×30/21 63/90×6/21 9/90×42/21
© everydaycalculation.com