Subtract 6/40 from 3/8
3/8 - 6/40 is 9/40.
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,
3/8 = 3 × 5/8 × 5 = 15/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
6/40 = 6 × 1/40 × 1 = 6/40 - Subtract the two like fractions:
15/40 - 6/40 = 15 - 6/40 = 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-6/40 3/8-12/40 3/16-6/40 3/8-6/80 9/8-6/40 3/8-18/40 3/24-6/40 15/8-6/40 3/8-30/40 3/40-6/40 21/8-6/40 3/8-42/40 3/56-6/40