Solutions by everydaycalculation.com
1st number: 12/15, 2nd number: 1 6/15
1215 - 2115 is -35.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-21/15 12/15-42/15 12/30-21/15 12/15-21/30 36/15-21/15 12/15-63/15 12/45-21/15 12/15-21/45 60/15-21/15 12/75-21/15 12/15-21/75 84/15-21/15
© everydaycalculation.com