Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 35/40 of 15/70?"
3540 × 1570 is 316.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40×15/70 35/40×30/70 35/80×15/70 35/40×45/70 35/40×75/70
© everydaycalculation.com