Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/30 of 16/40?"
1230 × 1640 is 425.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30×16/40 12/30×32/40 12/60×16/40 12/30×16/80 36/30×16/40 12/30×48/40 12/90×16/40 60/30×16/40 12/30×80/40 84/30×16/40
© everydaycalculation.com