Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/40 of 5/21?"
1040 × 521 is 584.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40×5/21 10/40×10/21 10/80×5/21 10/40×5/42 30/40×5/21 10/40×15/21 10/40×5/63 50/40×5/21 10/40×25/21 70/40×5/21 10/40×35/21
© everydaycalculation.com