Solutions by everydaycalculation.com
1st number: 13 2/6, 2nd number: 6/40
This multiplication involving fractions can also be rephrased as "What is 80/6 of 6/40?"
806 × 640 is 21.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6×12/40 80/12×6/40 80/6×6/80 80/6×18/40 80/18×6/40 80/6×30/40 80/30×6/40 80/6×42/40 80/42×6/40
© everydaycalculation.com