Solutions by everydaycalculation.com
1428 - 1528 is -128.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-30/28 14/56-15/28 14/28-15/56 42/28-15/28 14/28-45/28 14/84-15/28 14/28-15/84 70/28-15/28 14/28-75/28 98/28-15/28
© everydaycalculation.com