Solutions by everydaycalculation.com
1480 - 4280 is -720.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/80-42/80 14/80-84/80 42/80-42/80 70/80-42/80 98/80-42/80
© everydaycalculation.com