Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/90 of 7/21?"
3090 × 721 is 19.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90×7/21 30/90×14/21 30/90×7/42 30/90×7/63 30/90×35/21 30/90×49/21
© everydaycalculation.com