Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 25/80 of 7/21?"
2580 × 721 is 548.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80×7/21 25/80×14/21 25/80×7/42 75/80×7/21 25/80×7/63 25/80×35/21 25/80×49/21
© everydaycalculation.com