Solutions by everydaycalculation.com
660 ÷ 2130 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60÷21/30 6/60÷42/30 6/60÷21/60 18/60÷21/30 6/60÷63/30 6/60÷21/90 30/60÷21/30 42/60÷21/30
© everydaycalculation.com