Solutions by everydaycalculation.com
2160 - 660 is 14.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60-6/60 21/60-12/60 63/60-6/60 21/60-18/60 21/60-30/60 21/60-42/60
© everydaycalculation.com