Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/15 of 1/21?"
315 × 121 is 1105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15×1/21 3/15×2/21 3/30×1/21 3/15×1/42 9/15×1/21 3/15×3/21 3/45×1/21 3/15×1/63 3/15×5/21 3/75×1/21 21/15×1/21 3/15×7/21
© everydaycalculation.com