Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/40 of 5/7?"
3040 × 57 is 1528.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40×5/7 30/40×10/7 30/80×5/7 30/40×5/14 90/40×5/7 30/40×15/7 30/40×5/21 30/40×25/7 30/40×5/35 30/40×35/7 30/40×5/49
© everydaycalculation.com