Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/15 of 7/21?"
115 × 721 is 145.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15×7/21 1/15×14/21 1/30×7/21 1/15×7/42 3/15×7/21 1/45×7/21 1/15×7/63 5/15×7/21 1/15×35/21 1/75×7/21 7/15×7/21 1/15×49/21
© everydaycalculation.com