Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/7 of 7/80?"
17 × 780 is 180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7×7/80 1/7×14/80 1/14×7/80 3/7×7/80 1/7×21/80 1/21×7/80 5/7×7/80 1/7×35/80 1/35×7/80 1/7×49/80 1/49×7/80
© everydaycalculation.com