Solutions by everydaycalculation.com
290 - 3090 is -1445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-30/90 2/90-60/90 6/90-30/90 10/90-30/90 14/90-30/90
© everydaycalculation.com