Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/30 of 7/80?"
330 × 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: 6/30×7/80 3/30×14/80 3/60×7/80 9/30×7/80 3/30×21/80 3/90×7/80 15/30×7/80 3/30×35/80 21/30×7/80 3/30×49/80
© everydaycalculation.com