Solutions by everydaycalculation.com
312 - 1621 is -4384.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-16/21 3/12-32/21 3/24-16/21 3/12-16/42 9/12-16/21 3/12-48/21 3/36-16/21 3/12-16/63 15/12-16/21 3/12-80/21 3/60-16/21 21/12-16/21 3/84-16/21
© everydaycalculation.com