Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/2 of 30/80?"
12 × 3080 is 316.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2×60/80 1/4×30/80 3/2×30/80 1/2×90/80 1/6×30/80 5/2×30/80 1/10×30/80 7/2×30/80 1/14×30/80
© everydaycalculation.com