Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/90 of 1/21?"
1090 × 121 is 1189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90×1/21 10/90×2/21 10/90×1/42 30/90×1/21 10/90×3/21 10/90×1/63 50/90×1/21 10/90×5/21 70/90×1/21 10/90×7/21
© everydaycalculation.com