Solutions by everydaycalculation.com
221 ÷ 510 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21÷5/10 2/42÷5/10 2/21÷5/20 6/21÷5/10 2/21÷15/10 2/63÷5/10 2/21÷5/30 10/21÷5/10 2/21÷25/10 2/21÷5/50 14/21÷5/10 2/21÷35/10 2/21÷5/70
© everydaycalculation.com