Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/21 of 1/21?"
921 × 121 is 149.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21×1/21 9/21×2/21 9/42×1/21 9/21×1/42 27/21×1/21 9/21×3/21 9/63×1/21 9/21×1/63 45/21×1/21 9/21×5/21 63/21×1/21 9/21×7/21
© everydaycalculation.com