Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 1 1/15
2120 - 1615 is -160.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/20-16/15 21/20-32/15 21/40-16/15 21/20-16/30 63/20-16/15 21/20-48/15 21/60-16/15 21/20-16/45 21/20-80/15 21/20-16/75
© everydaycalculation.com