Subtract 40/75 from 3/8
3/8 - 40/75 is -19/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 8 × 75 = 600,
3/8 = 3 × 75/8 × 75 = 225/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
40/75 = 40 × 8/75 × 8 = 320/600 - Subtract the two like fractions:
225/600 - 320/600 = 225 - 320/600 = -95/600 - After reducing the fraction, the answer is -19/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-40/75 3/8-80/75 3/16-40/75 9/8-40/75 3/24-40/75 15/8-40/75 3/40-40/75 21/8-40/75 3/56-40/75