Subtract 8/60 from 5/40
5/40 - 8/60 is -1/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
8/60 = 8 × 2/60 × 2 = 16/120 - Subtract the two like fractions:
15/120 - 16/120 = 15 - 16/120 = -1/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-8/60 5/40-16/60 5/80-8/60 15/40-8/60 5/40-24/60 25/40-8/60 5/40-40/60 35/40-8/60 5/40-56/60