Subtract 5/40 from 3/5
3/5 - 5/40 is 19/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
3/5 = 3 × 8/5 × 8 = 24/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
5/40 = 5 × 1/40 × 1 = 5/40 - Subtract the two like fractions:
24/40 - 5/40 = 24 - 5/40 = 19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-5/40 3/5-10/40 3/10-5/40 3/5-5/80 9/5-5/40 3/5-15/40 3/15-5/40 15/5-5/40 3/5-25/40 3/25-5/40 21/5-5/40 3/5-35/40 3/35-5/40