Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 7/70 of 40/42?"
770 × 4042 is 221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70×40/42 7/70×80/42 7/70×40/84 21/70×40/42 35/70×40/42 49/70×40/42
© everydaycalculation.com