Solutions by everydaycalculation.com
1st number: 8 0/5, 2nd number: 4/20
This multiplication involving fractions can also be rephrased as "What is 40/5 of 4/20?"
405 × 420 is 85.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5×4/20 40/5×8/20 40/10×4/20 40/5×4/40 40/5×12/20 40/15×4/20 40/5×4/60 40/25×4/20 40/5×28/20 40/35×4/20
© everydaycalculation.com