Solutions by everydaycalculation.com
342 - 742 is -221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42-7/42 3/42-14/42 3/84-7/42 3/42-7/84 9/42-7/42 3/42-21/42 15/42-7/42 3/42-35/42 21/42-7/42 3/42-49/42
© everydaycalculation.com