Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/70 of 35/80?"
2170 × 3580 is 21160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70×35/80 21/70×70/80 63/70×35/80
© everydaycalculation.com