Subtract 6/8 from 1/40
1/40 - 6/8 is -29/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Subtract the two like fractions:
1/40 - 30/40 = 1 - 30/40 = -29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-6/8 1/40-12/8 1/80-6/8 1/40-6/16 3/40-6/8 1/40-18/8 1/40-6/24 5/40-6/8 1/40-30/8 1/40-6/40 7/40-6/8 1/40-42/8 1/40-6/56