Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 27/80 of 7/9?"
2780 × 79 is 2180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80×7/9 27/80×14/9 27/80×7/18 81/80×7/9 27/80×21/9 27/80×7/27 27/80×35/9 27/80×7/45 27/80×49/9 27/80×7/63
© everydaycalculation.com