Solutions by everydaycalculation.com
15 ÷ 640 is 43.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5÷6/40 1/5÷12/40 1/10÷6/40 1/5÷6/80 3/5÷6/40 1/5÷18/40 1/15÷6/40 1/5÷30/40 1/25÷6/40 7/5÷6/40 1/5÷42/40 1/35÷6/40
© everydaycalculation.com