Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/50 of 7/80?"
550 × 780 is 7800.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/50×7/80 5/50×14/80 15/50×7/80 5/50×21/80 25/50×7/80 5/50×35/80 35/50×7/80 5/50×49/80
© everydaycalculation.com