Solutions by everydaycalculation.com
1242 - 642 is 17.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42-6/42 12/42-12/42 12/84-6/42 12/42-6/84 36/42-6/42 12/42-18/42 60/42-6/42 12/42-30/42 84/42-6/42
© everydaycalculation.com