Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 16/70 of 6/40?"
1670 × 640 is 6175.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70×6/40 16/70×12/40 16/70×6/80 48/70×6/40 16/70×18/40 80/70×6/40 16/70×30/40 16/70×42/40
© everydaycalculation.com