Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/90 of 10/21?"
3090 × 1021 is 1063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90×10/21 30/90×20/21 30/90×10/42 30/90×30/21 30/90×10/63 30/90×50/21 30/90×70/21
© everydaycalculation.com