Subtract 7/40 from 4/60
4/60 - 7/40 is -13/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
4/60 = 4 × 2/60 × 2 = 8/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Subtract the two like fractions:
8/120 - 21/120 = 8 - 21/120 = -13/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/60-7/40 4/60-14/40 4/60-7/80 12/60-7/40 4/60-21/40 20/60-7/40 4/60-35/40 28/60-7/40 4/60-49/40