Solutions by everydaycalculation.com
1st number: 12/15, 2nd number: 1 19/21
1215 - 4021 is -116105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-40/21 12/15-80/21 12/30-40/21 12/15-40/42 36/15-40/21 12/45-40/21 12/15-40/63 60/15-40/21 12/75-40/21 84/15-40/21
© everydaycalculation.com