Subtract 3/4 from 3/40
3/40 - 3/4 is -27/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
3/4 = 3 × 10/4 × 10 = 30/40 - Subtract the two like fractions:
3/40 - 30/40 = 3 - 30/40 = -27/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40-3/4 3/40-6/4 3/80-3/4 3/40-3/8 9/40-3/4 3/40-9/4 3/40-3/12 15/40-3/4 3/40-15/4 3/40-3/20 21/40-3/4 3/40-21/4 3/40-3/28