Solutions by everydaycalculation.com
912 - 1621 is -184.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12-16/21 9/12-32/21 9/24-16/21 9/12-16/42 27/12-16/21 9/12-48/21 9/36-16/21 9/12-16/63 45/12-16/21 9/12-80/21 9/60-16/21 63/12-16/21 9/84-16/21
© everydaycalculation.com