Subtract 2/40 from 1/8
1/8 - 2/40 is 3/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
1/8 = 1 × 5/8 × 5 = 5/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
2/40 = 2 × 1/40 × 1 = 2/40 - Subtract the two like fractions:
5/40 - 2/40 = 5 - 2/40 = 3/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-2/40 1/8-4/40 1/16-2/40 1/8-2/80 3/8-2/40 1/8-6/40 1/24-2/40 5/8-2/40 1/8-10/40 1/40-2/40 7/8-2/40 1/8-14/40 1/56-2/40