Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/80 of 1/5?"
580 × 15 is 180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80×1/5 5/80×2/5 5/80×1/10 15/80×1/5 5/80×3/5 5/80×1/15 25/80×1/5 5/80×1/25 35/80×1/5 5/80×7/5 5/80×1/35
© everydaycalculation.com