Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/70 of 8/10?"
4270 × 810 is 1225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70×8/10 42/70×16/10 42/70×8/20 42/70×24/10 42/70×8/30 42/70×40/10 42/70×8/50 42/70×56/10 42/70×8/70
© everydaycalculation.com