Solutions by everydaycalculation.com
16 - 13 is -16.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6-1/3 1/6-2/3 1/12-1/3 1/6-1/6 3/6-1/3 1/18-1/3 1/6-1/9 5/6-1/3 1/6-5/3 1/30-1/3 1/6-1/15 7/6-1/3 1/6-7/3 1/42-1/3 1/6-1/21
© everydaycalculation.com