Solutions by everydaycalculation.com
120 - 410 is -720.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20-4/10 1/20-8/10 1/40-4/10 1/20-4/20 3/20-4/10 1/20-12/10 1/60-4/10 1/20-4/30 5/20-4/10 1/20-20/10 1/20-4/50 7/20-4/10 1/20-28/10 1/20-4/70
© everydaycalculation.com